Answer:
Thylakoids
Explanation:
This occurs when two DIFFERENT species have to use the same limited resources and there aren't enough for both species.
this is my question :>
what directs the action of every cell in your body
Answer:
The Nucleus of a eukaryotic cell directs the cells activities and stores DNA.
Explanation:
Hope i helped
What is the step of cell division where 2 identical daughter cell are formed?
Answer:
It's MITOSIS.
Explanation: We are also learning about this in class.
During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Mitosis itself consists of five active steps, or phases: prophase, prometaphase, metaphase, anaphase, and telophase.
In mitosis of the cell cycle, a eukaryotic cell undergo nuclear division followed by cytoplasmic division results form two genetically identical daughter cells. Mitosis It consist of five phases: prophase, prometaphase, metaphase, anaphase, and telophase.
What is mitosis ?The process in which somatic cell undergo equational division where equal number of daughter cell produced from their parent cell.
Here the number of chromosomes remains the same, except in the case of germ cells where the number of chromosomes become half and the nucleus of a cell is divided into two nuclei having equal amount of genetic material.
nuclear division is followed by cytoplasmic division after the separation of the nucleus. It is important for the growth of the cells and the replacement of worn-out cells.
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Cassandra notices that when she breathes on a cool window, the water vapor in her breath forms liquid water. What happens to turn the water vapor in her breath into liquid water?
Heat is added to the water vapor from the surrounding air.
The temperature of the water vapor increases as it leaves her body.
The water molecules become more spread apart as they touch the window.
Heat leaves the water vapor as it touches the cool window
Answer:
Heat is added to the water vapor from the surrounding air.
Explanation:
Hope this helps ;)
from which material was the plaster of paris made from?
a) Lime stone
b) Slacked lime
c) Quick lime
d) Gypsum
Answer:
d) Gypsum
Explanation:
Plaster of Paris is obtained by heating gypsum.
I hope this helped :)
can someone please help me with this ? I will mark brainlist I really need help !
Answer:
1. Carbohydrates - provide immediate burst of energy - monosacharrides
2. Lipids - provide source of energy - glycerol or fatty acids
3. Proteins - provide growth and development for our body - amino acids
4. Nucleic Acids - store and pass on genetic information - nucleotides
What is the evidence that chiasmata are points of physical exchange between chromatids?.
The evidence that chiasmata are points of physical exchange between chromatids is Cytological markers such as knobs and translocations.
The chiasma is a structure that develops through crossover recombination between a pair of homologous chromosomes and physically connects the homologous chromosomes during meiosis.
Cytological markers are those that are connected to variations in chromosome number, shape, size, and banding pattern. To put it another way, it alludes to the chromosomal banding caused by various stains, such as G banding.
Hence, in chiasmata when the crossing over structure is formed then with the help of cytological markers it can be easily observed and thus it can give physical evidence of exchange and thus these crossing over forms can be easily detected with markers.
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A 2-column table with 4 rows. The first column titled substances has entries gasoline, water, honey, titanium. The second column titled density has entries 0.77 grams per centimeter cubed, 1.00 grams per centimeter cubed, 1.38 grams per centimeter cubed, 4.43 grams per centimeter cubed.
Determine whether each substance will sink or float in corn syrup, which has a density of 1.36 g/cm3. Write “sink” or “float” in the blanks.
Gasoline:
Water:
Honey:
Titanium:
Answer: Gasoline: Sink
Water: Float
Honey: Sink
Titanium: Sink
Hope this helps.
Answer:
Gasoline: float
Water: float
Honey: Sink
Titanium: Sink
8. Why is an organism that reproduces asexually genetically identical to it's
parent? *
All of the offspring's genes came from the parent.
All of the offspring's genes mutated to look like the parent's genes.
The offspring inherited only half of the parent's genes.
The offspring inherited only the parent's dominant genes.
Answer:A
Explanation: A-sexual reproduction is basically the parent making a clone
Which view of the environment places equal value on all living organisms and abiotic factors?
Answer:
Biotic and abiotic factors are the environmental conditions that the organisms have to face to live in a specified environment.
Abiotic factors:
Abiotic factors are the physical and chemical conditions of an environment. For example : heat, salinity, pressure, light, wind, pH ...
Biotic factors:
Biotic factors are all the biological conditions of an environment for a specie/taxa. It can include prey and predator abundance, available food amount, available space, intra and interspecific competition.
Explanation:
Which is involved in engulfing?
(A)Golgi bodies (B)transport proteins (C)endoplasmic reticulum (D)cell membrane
Answer:
c
Explanation:
in a chemical reaction bonds in the reactants molecules are broken and new bonds are formed to yield products. how does an enzyme make this happen an optimal rate in a cell?
Answer:
A. It increases the amount of energy needed to break the bonds in the substrate.
Explanation:
Enzymes are known to be protein-based catalyst. It helps to speed up the chemical reactions that take place in the human body. They actually bind molecules and work in ways to alter chemical reactions. These enzymes are needed for food digestion, reproduction, healing diseases, blood coagulation, etc.
Enzymes help to increase the rate of reaction by lowering the activation energy. Certain enzymes can work to convert substrate to product at million of times faster. As a catalyst, it increases the energy needed to break bonds found in the substrate. This makes the reaction to occur at a faster rate.
The point of contact between a motor neuron and a muscle fiber is called
Answer:
The point of contact between the nerve and the muscle fibers it stimulates is called a: Neuromuscular junction. A single motor neuron with all the muscle cells it innervates is called a: Motor unit.
Explanation:
Why does the small intestine cell reproduce so often?
Answer:
Continual cell renewal allows the epithelium to withstand the constant wear and tear it suffers while breaking down food, absorbing nutrients, and eliminating waste.
Explanation:
How do you determine a average velocity from t=0s to t=12s
investigating the relationship between reopening the economy and implementing control measures during the covid-19 pandemic
There is great relationship between reopening the economy and implementing control measures during the covid-19 pandemic.
What is the relationship between reopening the economy and implementing control measures?There is great relationship between reopening the economy and implementing control measures during the covid-19 pandemic because if the control measures are implemented correctly then the reopening of economy is a good decision. Due to this, we can carried out the economic activities without any fear of the pandemic.
So we can conclude that there is great relationship between reopening the economy and implementing control measures during the covid-19 pandemic.
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HELP!!!! i’ll give branliest
What is the main thing that drives water to move up from roots through the stem or trunk and to the leaves in plants?.
The main thing that drives water to move up from roots through the stem or trunk and to the leaves in plants is evaporation from the leaf pores
As water molecules evaporate from plant leaves, they attract water molecules that remain in the plant, assisting in the water flow from the roots to the stems. The combined effects of capillary action and transpiration transport water from the roots to the leaves of a plant.
Because water molecules tend to grip together (cohesion) and stick to the walls of tubes, they rise from the roots to the leaves (adhesion). The water evaporating from the leaf surface aids the root system's capacity to absorb additional water. This mechanism is known as capillary action.
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(Score for Question 2:
of 4 points)
2. Explain how to focus a microscope using the high power lens. Include any safety issues you need to be
aware of
Answer.
Type your answer her to focus a microscope using the high-power lens you have to use the focus adjustment
knob but be careful because if you crank down too hard you can damage the microscope and the slide
Is my answer right
To focus a magnifier using the high-energy lens you haveto use the main focus adjustment knob however take care as a result of if youcrank down too hard, you'll be able to harm the magnifier and therefore the slide.
Fine Adjustment Knob - This knob is within the coarse adjustment knob and is employed to bring the specimen into sharp focus underneath low power and is employed for all focusing once using high power lenses.You don't wish to wreck the slide. therefore you ought to forever look on the aspect of the magnifier therefore you do not break it and use fin adjustment knob only.
Hope it helps!
Only the water cycle involves plants and animals. Please select the best answer from the choices provided T F
Answer:
This is False. Hope this helps!!!
Explanation:
What is the function of enzymes in biological systems?
Answer:
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
Explanation:
Brainliest please?
pasteur's experiment provided conclusive evidence to reject the spontaneous generation hypothesis, which states that cells arise from nonliving material. as a consequence, his results supported the all-cells-from-cells hypothesis. which element of pasteur's experimental design was most important and why? see section 1.2 (page) .
The Experiment name is 'swan neck flask'.
Since only one of his two treatments employed the same type of nutritious broth and flask, only one of his two treatments was exposed to preexisting cells.
Nutrient Broth- A common culture medium for undemanding microorganisms is nutrient broth. Numerous standardized techniques for analyzing meals, dairy products, water, and other items advocate it.
Pre-existing Cell- All cells originate from previously existing cells, according to the third component of the cell theory definition. This implies that cells are not created spontaneously, as the term "spontaneous genesis" implies. Current cells are constantly used to create new ones.
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Why is one Of the strands of DNA considered leading and the other is considered lagging?
Answer:
umm
Explanation:
Do animal cells always have to be placed in isotonic solutions? Why?
Explanation:
because If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell's volume will remain stable
Cellular respiration is an exothermic reaction and photosynthesis is an endothermic reaction. How does the required activation energy compare for these two reactions?.
Because the products are at a lower energy level than the reactants, cellular respiration requires less energy to start the reaction.
The activation energy is the bare minimum of energy required for compounds to undergo a chemical reaction. In an exothermic reaction, breaking bonds in the reactants requires less energy than the energy produced when new bonds form in the products. The term "exothermic" literally means "give out heat." Exothermic reactions occur during cellular respiration.
An endothermic reaction, on the other hand, requires more energy to break bonds in the reactants than is released when new bonds form in the products. The term "endothermic" literally means "take up heat." Exothermic reactions occur during cellular respiration.
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Before Reading:
1. What health concerns are associated with smoking cigarettes? Which of these concerns
Answer:
Some concerns include lung health decreasing, and dental health, as well as hearth health. Smoking can deliver soot, and toxic compounds to your lungs, heart, kidney, and other bodily functions will be disabled. Hope this helps!
In the United States where does the warm air come from?
Gulf of Mexico
Northwest United States
Canada
Northeast United States
Answer: Gulf of Mexico
Explanation:
In North America, for example, cold and dry air covering thousands of miles flows south from the Arctic, especially in winter, and warm moist air flows south from the Gulf of Mexico. These different types air are called air masses.
Answer:
Gulf of Mexico
Explanation:
I just took the test and got it right
a heterotrophic prokaryote would: group of answer choices derive energy from inorganic compounds derive carbon from co2 derive carbon from organic compounds derive energy from sunlight
A heterotrophic prokaryote would derive carbon from the Organic compounds which are present around their environment
Heterotroph are the organism that ought to acquire its carbon in an organic form or an organism that cannot make its very own food and receives its meals with the aid of eating different living things
Chemotroph are the organism that profits power from chemicals , example bacteria
Phototroph are the organism that profits electricity through photosynthesis example - flowers
most of the people of heterotrophic microorganisms are chemoheterotrophs that derive both power and carbon from natural compounds.
heterotrophs is the largest mode of nutrients which includes, saprophytes ( fungi) , parasites ( cuscutta), chemotroph.
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Raymond is a social worker who works with abused children. Which type of empathy is it important that Raymond have?
Group of answer choices
Pity
Feeling
Cognitive
Affective