Answer: Chromosomal behavior refers to the routine movement of chromosomes during cell division. During mitosis, chromosomes that are replicated align themselves along the equator of the cell to create a metaphase plate. After that, sister chromatids are pulled apart towards the opposite poles of the cells.
And when the chromosomes are condensing to undergo mitosis, the centrioles form the areas that the mitotic spindle forms. And those mitotic spindles go and attach to each of the chromosomes and pull the chromosomes to opposite ends of the cell to allow cytokinesis, then, to occur.
ATP gothose
+8
ATP
-38
Calvin
cycle NAW
OA The proteins that control the Calvin cycle stop working
ATP
An excess of carbon dioxide (CO₂) in a chloroplast makes conditions there
more acdie Such a change can cause protein molecules in cells to change
shape and stop functioning. Which change is most likely to happen if a
& The proteins that split H₂O molecules start splitting Co
OC. The amount of light entering the chbroplast increase
D. The amount of Op inside the chloroplast increases
000
Answer:
+8
Explanation:
BIngle bopper69
Please help me out folks. I could really use the help and it’s appreciated. No plagiarism please
If the federal government imposed a new $1 per gallon gas tax, it would increase the cost of gasoline for consumers, as a result, the demand for gasoline would decrease, which would in turn lead to a decrease in the amount of greenhouse gases emitted into the atmosphere from burning fossil fuels.
What are greenhouse gases?A greenhouse gas is a gas that both absorbs and releases thermal infrared radiation, producing the greenhouse effect. Water vapor, carbon dioxide, methane, nitrous oxide, and ozone are the main warming gases in the atmosphere of Earth.
Transportation is one of the largest sources of greenhouse gas emissions in the United States, and gasoline accounts for a significant portion of those emissions. Therefore, a gas tax would have a significant impact on reducing the amount of greenhouse gases that Americans put into the atmosphere each year.
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How can a mutation be neutral?
A mutation can be neutral such that it has no change to the outcome of the individual which is therefore denoted as option B.
What is Mutation?This is referred to as an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA which could contain either DNA or RNA.
Neutral mutation involves the changes in DNA sequence that are neither beneficial nor detrimental to the ability of an organism to survive and reproduce which when observed there is usually no change to the outcome of the individual and is therefore the reason why option B was chosen as the correct choice.
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G
What are the predicted consequences of legislation for global warming
on industry?
The predicted consequences of legislation for global warming on industry were positive effects on the industry as a whole.
What was the legislation for global warming?Several legislations such as the Environment Protection Act,1986,Water Act, 1974 and several other laws were made to reduce and control the disastrous effects of the climatic changes on the environment and also focus on the environmental protection.
It has been predicted that the legislation for global warming will actually have positive effects on the industries. New jobs will be created through the introduction of the new technology and processes and the businesses which should save money through the pollution which is reducing the practices and technology which lead to global warming.
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Please view and answer images Please view and answer images Please view and answer images Please view and answer images
They absorb photons of certain level, ||, |||, | , ATP, light depends reaction these are the answers of those questions.
What is reaction ?
The transformation of one or more reactants into one or more new products is referred to as a chemical reaction. Substances are made of chemical constituents or compounds. The transformation of one or more reactants into one or more new products is referred to as a chemical reaction. Substances are made of chemical constituents or compounds.
What is glucose ?
It is a monosaccharide, which means "one sugar," and is the most basic type of carbohydrate (carb). Fructose, galactose, and ribose are examples of other monosaccharides. This is the form in which the body eventually transforms food glucose and other carbs into blood glucose.
Therefore, They absorb photons of certain level, ||, |||, | , ATP, light depends reaction these are the answers of those questions.
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In Table 1, P50 is higher in summer than in winter even if winter hemoglobin is exposed to summer temperatures. This demonstrates that:
Hemoglobin is more abundant in summer
hemoglobin is 50% saturated at lower partial pressures in winter.
Hemoglobin is more abundant in winter
hemoglobin is 50% saturated at higher partial pressures in winter.
Hemoglobin is 50% saturated at lower partial pressures in winter.
Why is P50 is higher in summer than in winter even if winter hemoglobin is exposed to summer temperatures?P50 is a measure of the partial pressure of oxygen at which hemoglobin is 50% saturated with oxygen. It is affected by a variety of factors, including temperature, pH, and the concentration of other gases such as carbon dioxide.
One reason why P50 might be higher in the summer than in the winter is because of differences in temperature. Hemoglobin is sensitive to temperature, and its oxygen-binding affinity decreases as temperature increases. This means that hemoglobin is less able to bind oxygen at higher temperatures, which results in a higher P50.
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The diagram shows Earth, the Moon, and the Sun during neap tides.
When the Moon is in its first quarter and third quarter phases, the gravitational
forces of the Sun and the Moon pull at 90 degree angles from one another. This
means that when the Moon is in its first quarter and third quarter phases, (cutted off here)
A. High tides are experienced worldwide at the same time.
B. Low tides are experienced worldwide at the same time.
C. High tides are at their lowest levels.
D. Low tides are at their lowest level.
When the Moon is in its first quarter and third quarter phases, low tides are at their lowest level.
The correct option is D.
What happens when the Moon is in its first-quarter and third-quarter phases?When the Moon is in its first quarter and third quarter phases, the gravitational forces of the Sun and the Moon pull at 90-degree angles from one another. At this point, low tides are at their lowest level.
During these phases, the gravitational forces of the Sun and the Moon partially cancel each other out, resulting in lower tidal ranges. This is known as a neap tide, and it occurs twice a month, around the time of the first quarter and third quarter phases of the Moon.
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How has the use of fossil fuels negatively affected earth
Answer: When fossil fuels are burned, gases like carbon dioxide are released into the atmosphere that add up over time and trap heat. This is why they’re called “greenhouse” gases.
Explanation:
8. A NONSENSE MUTATION occurs when a codon is changed to a STOP codon. Many proteins are thousands of amino acids in length. At the end of the gene, the cell reaches the stop codon. If a codon is changed to STOP, the building of the amino acid terminates and the protein is incomplete.
Why would a Nonsense mutation be less damaging if it occurred at the end of the gene rather than the beginning?
Nonsense mutations are point mutations that cause an mRNA codon to turn into a stop codon. If the mutation is at the beginning of the gene, it is more damaging because most of the protein is affected. The new molecule is shorter, quite different from the original one, and would not accomplish all its functions.
What is a nonsense mutation?
When a change occurs in a single base pair, it is known as a point mutation. Points mutations might be either silent, missense, or nonsense.
Nonsense mutations turn the mRNA codon into a stop codon, making the mutated protein reach its end before the original protein.
The length of the new molecule depends on where the mutation occurred.
If the mutation occurs at the beginning it is more damaging than if it occurs at the end.
If the mutation occurs at the end, most of the original protein can be synthesized before reaching the mutation point, getting to be highly similar to the original protein, and getting to accomplish most of its functions. If the mutation occurs at the beginning of the gene, the new protein is almost entirely different from the original one, very short, and with highly altered functions.You can learn more about nonsense mutations at
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Characteristics of Electromagnetic Spectrum
Analog vs. Digital Signals
Multiple frequencies of the electromagnetic spectrum can carry communication signals and mass amounts of information. In general, signals sent using higher frequencies of the electromagnetic spectrum travel shorter distances but have a higher data-carrying capacity. This physical characteristic of electromagnetic waves limits the range and availability of frequencies for sending information.
The electromagnetic spectrum is a limited resource. Since electromagnetic waves move outward in all directions, wave transmitters need to be focused to transmit their signals to a single specified location. Likewise, wave receivers can be focused to maximize signal reception from a particular location. However, the receiving antenna may still detect unintended signals that can interfere with reception.
To avoid signal interference problems, multiple users cannot transmit radio signals at the same frequencies, at the same time, and in the same direction. The spectrum is scarce; at any given time and place, one use of a frequency prevents it from being used by others in the same location. As soon as one user stops transmitting signals over a portion of the spectrum, another user can immediately re-use it.
There are two important types of signal transmissions to understand: analog and digital.
wave that rises and falls
Analog wave
Analog signal transmission information (sound, video, or data) travels in a continuous wave whose strength and frequency change depending on the amount of data being submitted.
Travels in a continuous wave
Strength and frequency vary
wave that rises and falls but is square instead of wavy
Digital wave
Digital signal transmission information is converted to ones and zeros which are formatted and sent as electrical pulses. Advantages of using digital signals include greater accuracy, noise reduction (unwanted signals) and an increased capacity for sending information.
Travels as an electrical pulse
More accurate, less interference
In summary, the electromagnetic spectrum is a limited resource that is used for a variety of communication needs.
What is electromagnetic spectrum?The electromagnetic spectrum is the range of all types of electromagnetic radiation. It is made up of different types of radiation, such as radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays. Each type of radiation has different characteristics, such as wavelength, frequency, and energy. All types of electromagnetic radiation are affected by the electromagnetic force, which is a type of force between objects that have an electric charge. Electromagnetic radiation is used in many different ways, such as to provide communication, to detect objects, and to provide energy.
The spectrum contains multiple frequencies that are used for sending information, either in analog or digital form. Analog signals travel in a continuous wave, while digital signals are converted to ones and zeros and sent as electrical pulses. The use of the spectrum is carefully managed to prevent interference between different users.
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A genetic cross of a a homozygous wing colour and Homozygous pink wing colour
Explanation:
Assuming you meant to say "heterozygous pink wing color" instead of "homozygous pink wing color," a genetic cross between a homozygous wing color (WW) and a heterozygous pink wing color (Pp) would result in offspring with the following genotypes:
100% of the offspring would have WwPp genotype
The wing color gene and the pink eye gene are located on different chromosomes, so they will segregate independently during meiosis. This means that the wing color allele and the pink eye allele will assort randomly into the gametes.
The homozygous wing color parent (WW) can only contribute a W allele to the offspring, while the heterozygous pink wing color parent (Pp) can contribute either a P or a p allele with equal probability. Therefore, all of the offspring will be heterozygous for both wing color and pink eye color. They will have a white wing color (due to the dominant W allele) and a pink eye color (due to the presence of at least one P allele).
In summary, the genetic cross of WW and Pp will result in all offspring having the genotype WwPp, with a white wing color and pink eye color.
b) Explain why the pancreas cells have extensive systems of rough endoplasmic reticulum, while the cells producing gametes contain large amount of smooth endoplasmic reticulum (2 marks)
The rough endoplasmic reticulum is for the synthesis of insulin and other protein hormones in the pancreas whereas the smooth endoplasmic reticulum is for steroid hormone synthesis in gametes.
The RER has a role in protein synthesis because it has abundant ribosomes and is hence present in the pancreas where insulin and glucagon are proteins.
The SER has a role in steroid hormone synthesis which is essential for gametogenesis and hence abundant in gonads.
what is the answer of this one?
The property of water most likely caused the weathering in picture is hydrogen bonds in the water grew outward and moves the rock apart.
What are the properties of water?Water (H 2O) is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue.
Three specific properties of water include adhesion, cohesion and surface tension. Adhesion is the attraction of water molecules to other substances, such as glass.
The four unique properties of water that make it unique are high specific heat, high polarity, adhesion cohesion, and a lower density as a solid. Water having a high specific heat allows it to absorb heat energy without a subsequent change in temperature.
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Listed in the Item Bank are key terms and expressions, each of which is associated with one of the cloumns. Some terms may display additional information when you click on them.
When you click on a term or expression in the Item Bank, an explanation of the term will appear.
What is expression?Expression is the act of expressing or setting forth in words. It is the way an individual conveys their thoughts, emotions, and ideas to others. Expression is a form of communication that can be verbal, non-verbal, written, or through physical actions. Expression is a way of conveying meaning, allowing someone to share their innermost thoughts and feelings with others. Expression can be used to bring joy and happiness, offer comfort and support, create understanding, and build relationships. Expression is a powerful tool and can be used to make positive change in the world.
This explanation can provide additional information about the term, such as its definition, usage, and context. Additionally, it may include examples or visual aids to help you better understand the concept.
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Certain cleanup methods for oil spills are bad the environment. Which of the following correctly identifies a negative impact and presents a solution for reducing that impact?
There are numerous cleanup procedures for oil spills that can have significant environmental consequences, and strategies for mitigating those consequences will vary depending on the approach utilized. Yet, here is an example of a negative influence and a strategy to reduce it:
Negative impact: The use of chemical dispersants to break up the oil slick can be harmful to marine life and ecosystems. Dispersants can also disperse oil throughout the water column, making cleanup more difficult.
Solution: One option to lessen the harmful effects of dispersants is to limit their use and employ them only in regions where oil is unlikely to reach delicate habitats or when other cleanup methods are ineffective. Furthermore, employing more natural, biodegradable dispersants rather than synthetic ones can lessen the total environmental impact. Finally, utilizing dispersants in conjunction with mechanical measures such as booms and skimmers can aid in the containment and removal of scattered oil.
Source:
When a cell divides by mitosis & cytokinesis ________
A. each daughter cell receives the same amount of genetic information that was in the parent cell, but it has been altered.
B. genetic information is randomly parceled out to the daughter cells.
C. each daughter cell receives a nearly perfect copy of the parent cell's genetic information.
D. None of these are true
E. each daughter cell receives exactly half the genetic information in the parent cell.
Answer:
C. each daughter cell receives a nearly perfect copy of the parent cell's genetic information.
Explanation:
During mitosis, the genetic material (DNA) is replicated and then divided equally between the two daughter cells, ensuring that each cell receives an identical set of chromosomes. Cytokinesis then physically separates the two cells. While some random mutations can occur during DNA replication, the overall amount and content of genetic information in each daughter cell is almost identical to the parent cell. Option A is incorrect because it suggests that the genetic information is altered, which is not necessarily true. Option B is incorrect because it suggests that the division of genetic material is random, which is not the case during mitosis. Option D and E are also incorrect.
Answer:
D. None of these are true
Explanation:
Mitosis and subsequent cytokinesis yields 2 daughter cells with identical genetic information to each other and the parent cell.
calculate the force of gravity between the Earth and the sun if the distance from earth to the sun is 1.5 x 10^11m
Answer:
F=6.67×10−11(2×1030)×(6×1024)(1.5×1011)2=35.57×1021=3.56×1022 N. Q. The mass of the earth is 6×1024kg. The distance between the earth and the Sun is 1.5×1011m.
Explanation:
What part is indicated by "A" and "B" in the image attached?
The part indicated by "A" and "B" in the image attached are:
A is the epicondyleB is the fossaeWhat are the epicondyle and fossae?Epicondyles and fossae are anatomical terms that describe bony features of the human skeleton, specifically in the upper limbs.
Epicondyles are bony projections located on the distal end of the humerus bone, which is the bone in the upper arm. There are two epicondyles on the humerus, called the medial epicondyle and the lateral epicondyle. These projections serve as attachment points for various muscles and ligaments that are involved in movement of the forearm and hand.
Fossae, on the other hand, are shallow depressions or grooves in bone. In the context of the upper limb, there are several fossae in the humerus bone that serve as attachment points for muscles and ligaments. For example, the coronoid fossa is a depression in the anterior surface of the distal end of the humerus that accommodates the coronoid process of the ulna bone in the forearm.
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1. Shrinky Dink® creations start out as a thin sheet of polystyrene. Describe the arrangement of polymer molecules in a sheet of polystyrene. Why are the molecules arranged this way?
2.Explain what happens to polystyrene molecules when a sheet of polystyrene is heated. How does this affect the polystyrene sheet?
3.How have scientists used the shrinking property of polystyrene sheets in nanotechnology?
Polystyrene is a type of plastic made up of long-chain molecules of styrene monomers, each of which consists of a benzene ring with two attached side chains.
What is monomers?Monomers are the basic building blocks of many substances. They are small molecules that can be connected together in a variety of ways to form larger molecules. Monomers can be either organic or inorganic, and some examples of organic monomers include carbohydrates, proteins, and nucleic acids.
Answer 1: Polystyrene is a type of plastic made up of long-chain molecules of styrene monomers, each of which consists of a benzene ring with two attached side chains. These molecules are arranged in the sheet in a random, tangled pattern, held together by weak Van der Waals forces. This arrangement is necessary to ensure the flexibility and strength of the sheet.
Answer 2: When a sheet of polystyrene is heated, the molecules of the plastic become more active and start to move around. This movement causes them to become more tightly packed together, resulting in the sheet shrinking in size. At the same time, the sheet's structure becomes more rigid as the intermolecular forces between the molecules increase.
Answer 3: Scientists have used the shrinking property of polystyrene sheets in nanotechnology to create nano-sized structures such as nanotubes and nanowires. By shrinking the polystyrene sheets down to the nanoscale, scientists can better manipulate the material to create these structures. This has allowed them to create nanoscale devices with improved electrical, optical, and mechanical properties.
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Which statement expresses why water is so important to living organisms? Responses It assists organisms in obtaining certain dissolvable substances. It assists organisms in obtaining certain dissolvable substances. It assists organisms in remaining disease free. It assists organisms in remaining disease free. It assists organisms in releasing carbon dioxide. It assists organisms in releasing carbon dioxide. It assists organisms in breathing in oxygen.
Answer:There are two types of nutrients in the world. One of them is micronutrients and the other nutrient is macronutrients. These nutrients and vitamins help humans to develop the human body and help to make the immune systems.
The human body consists of 70% of the water and 30% of the rest of the substance. The cell consists of carbohydrates, fat, and protein.
The water is required by the body in various reactions. The water is required by the different enzyme formations, the water is required for the osmoregulation of the body fluids.
According to the question, the correction option is C that is It assists organisms in obtaining certain dissolvable substances.
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Explanation:
What is the mean speed, in km/h, in this situation?
The mean speed in this situation is not possible to calculate without any additional information.
What is speed?Speed is the rate of change in the position of an object over a period of time. It is measured in various units such as meters per second, miles per hour, and kilometers per hour. Speed is a scalar quantity, which means it has magnitude but no direction. Speed can be thought of as the rate at which an object covers distance. It is the magnitude of the velocity of an object, which is the rate and direction of its motion. Speed is calculated by dividing the distance travelled by the time taken.
The mean speed is determined by taking the sum of all the speeds and dividing it by the number of speeds. Without knowing the individual speeds, it is impossible to calculate the mean speed.
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c. What phase is missing from the data table above? What is a possible reason
that the students chose NOT to consider that phase in their experiment? [2pt]
The phase of mitosis that is missing from the data table given is prometaphase.
A possible reason that the students chose NOT to consider that phase in their experiment could be that it is not easily distinguishable like the other phases.
Why is Prometaphase not always presented as a distinct part of mitosis?Prometaphase is sometimes not presented as a distinct phase of mitosis because its timing and duration can vary depending on the cell type and the experimental conditions.
In some cases, the processes that occur during prometaphase can be grouped together with those of the preceding phase, prophase, or the following phase, metaphase.
Additionally, the transition between prophase and prometaphase can be gradual and difficult to distinguish, as the nuclear envelope begins to break down and the spindle fibers start to interact with the chromosomes.
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Complete question:
The complete table is found in the attachment.
what time period did fossil “A” exist?
Answer:
The answer is B Cambrian
Explanation:
In the Devonian period, the fossils were things like sponges, corals, bryozoans, brachiopods, trilobites, snails, clams, squid-like animals, crinoids, and microscopic animals like ostracodes and conodonts. The Cenozoic period was the "Age of Mammals." Common Cenozoic fossils include cat-like carnivores and early horses, as well as ice-age fossils like wooly mammoths. And in the Cambrian period, the fossils that were found were arthropods. That is an arthropod. Hope this helps :)
how human use of fossil fuels will affect their distribution over time also (cause and effect)
The use of fossil fuels by humans has caused climate change and global warming, which will eventually modify how fossil fuels are distributed by changing the quantity and quality of water resources
Which five effects of global warming?Climate change strains ecosystems in a number of ways, including temperature increases, water shortages, increased fire danger, drought, weed and insect invasions, severe storm damage, and salt invasion, to mention a few.
What is the root of global warming?There is no doubt about it: using fossil fuels like coal, gas, and oil is the primary driver of climate change. Fossil fuels produce carbon dioxide into the atmosphere when they are burned, warming the planet.
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Examine Figure 1 below. For each numbered location, identify which part of photosynthesis it represents, then describe how each part enters or exits the plant.
(repost due to the other one being inaccurate.)
The process by which plants, algae, and some microorganisms turn light energy into chemical energy in the form of glucose is known as photosynthesis.
When NaOH is dissolved in water, what ions are created?When sodium hydroxide (NaOH) dissolves in water, it separates into sodium ions with positive charges (cations) and hydroxide ions with negative charges (anions). Although cations and anions typically surround cations more tightly and vice versa, these ions move freely and independently of one another in the water.
What is the NaOH's OH ion concentration?NaOH (sodium hydroxide) breaks down into Na+ and OH ions in an aqueous solution. Because it is a strong base, the concentration of OH ions is the same as the concentration of NaOH.
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Lidocaine is a topical anesthetic used to treat minor muscular pain and skin irritation. As shown in the diagram below, lidocaine can exist in an ionized state and an nonionized state. According to this diagram, which of the following statements best explains how lidocaine directly exerts its anesthetic effects?
A. lidocaine blocks a neural cell membrane from depolarizing, causing the neuron to be unable to transmit an action potential.
B. lidocaine prevents the release of neurotransmitters from the axon of the transmittinf neuron.
C. lidocaine binds to external surfaces of channel proteins embedded in the neural membrane, which blocks movement of ions into the cell.
D. lidocaine activates sodium channels to open, causinf rapid depolarization of the neuronal membrane.
Answer:
A. Lidocaine blocks a neural cell membrane from depolarizing, causing the neuron to be unable to transmit an action potential.
Explanation:
Lidocaine works by blocking the voltage-gated sodium channels in the neuronal membrane, which prevents the depolarization required for the neuron to transmit an action potential. This blockage occurs preferentially in the ionized form of lidocaine, which can bind to the inside of the sodium channels. The nonionized form of lidocaine can more easily penetrate the lipid membrane of the neuron and reach the sodium channels from inside the membrane, where it can then become ionized and block the channels. This results in a local anesthetic effect, as the neuron is unable to transmit signals of pain or discomfort.
Which property of the cell membrane allows it to act as a highly selective barrier? the rigid structure of the cell membrane the hydrophilic heads and hydrophobic tails O consisting of a single layer being made up of primarily carbohydrates
The property of the cell membrane that allows it to act as a highly selective barrier is the hydrophilic heads and hydrophobic tails. Therefore, option (B) is correct.
What is a cell membrane?The cell membrane is composed of a phospholipid bilayer, with hydrophilic heads facing outward towards the aqueous environment, and hydrophobic tails facing inward towards each other. This arrangement creates a barrier that is selective in what molecules can pass through it.
Small and non-polar molecules can easily diffuse across the membrane, while larger and polar molecules require transport proteins or channels to cross. This selective permeability allows the cell to maintain an internal environment that is distinct from the external environment.
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All the cells in a person's body have the same genes. True or False?
Answer: True
Explanation: same DNA is present in every cell. Maximum DNA resides within the cell's nucleus, whereas only a minor proportion of DNA is present in mitochondria.
If we started the process of evolution over again on earth, what all of the organisms still evolve and look the same, or would the process give us completely different organisms, including different intelligent life instead of humans? 
If we started the process of evolution over again on Earth, it is highly unlikely that the resulting organisms would be the same as the ones we see today.
What is evolution?The process of evolution is driven by a combination of random genetic mutations, natural selection, and environmental pressures. It is highly dependent on the specific circumstances and conditions of the environment.
Even if we were to start with the same initial conditions, such as same set of organisms and environmental factors, random nature of genetic mutations and unpredictable nature of environmental changes would result in different evolutionary paths being taken.
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why anaerobic respiration is to have evolved earlier than aerobic respiration?
Answer:
Life is believed to have started in water, consequently translating to problems bordering around the amount of dissolved gases (especially Oxygen) available. This would in turn influence how organisms find means of survival, one of which is being able to respire in the absence of oxygen. You would also observe that evolution sets in, organisms start adapting to life on land, the need to develop features to allow more atmospheric oxygen sets in.