The most helpful way to determine whether two species are closely related is by comparing the appearance of their leg bones which is called as the Analogous structure. So, the correct option is A.
What is an Analogous structure?In contrast to homologous structures, analogous structures are characteristics of different species that have evolved in response to a similar environmental challenge and are similar but not necessarily in structure.
Example of Analogous structures are an insect's wings and a bird's wings are similar in structure. Although each of these species utilize their wings to fly, the origins of their wings are different.
For the aforementioned example, examining the appearance of two species' leg bones will most accurately reveal whether two species are closely related.
Therefore, the correct option is A.
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Explain the importance of gene regulation in prokaryotic cells.
-Explain the importance of gene regulation in eukaryotic cells.
Answer:
Prokaryotic cells can only regulate gene expression by controlling the amount of transcription. As eukaryotic cells evolved, the complexity of the control of gene expression increased. For example, with the evolution of eukaryotic cells came compartmentalization of important cellular components and cellular processes.
Explanation:
Hope this helps.
HELP!!!!!!
I don’t understand what to do. If you can please explain but just giving the answers would be fine.
theres no question or picture sorry
Oxygen's atomic number is 8 and it's mass number is 16. How many protons, neutrons, and electrons does oxygen have?
Answer:
Protons: 8
Neutrons: 8
Electrons: 8
Explanation:
Atomic number is the amount of protons
Mass - Atomic number = Neutrons
Same amount of electrons and protons to balance charges
The scientist who is famous for his work on natural selection is ___________.
Answer:
Charles Darwin
Explanation:
hope it helps :p
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What happens when an atom that has lost an electron comes in contact with an atom that has gained an electron
Answer:
U will gain more neutron and electron
Explanation:
Hope that's the correct answer
Photosynthesis is a process in which plants prepare food using carbon dioxide, chlorophyll, and water in the presence of sunlight.
During photosynthesis,
energy is transformed into
energy.
Answer:
Yes Photosynthesis is a process in which plants produce their food using carbon dioxide, chlorophyll and water in the presence of sunlight.During this process the solar energy from the sun is transformed into chemical energy
Explanation:
If this helps please mark me BRAINLIEST
Which developed country has the fastest population growth rate today
Answer:
Officially known as the Sultanate of Oman, Oman has the world’s highest population growth rate. Located in the southwestern region of Asia, the country has an estimated population of 4.83 million people as of 2018, which is rapid growth from 2.77 million in 2010.
Explanation:
Hope this helps :)
and also pls tell me what you think of my pfp I just found it
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Can you guys recommend me any interesting diseases to research?
Answer:
alice in wonderland syndrome
Explanation:
(ANSWER IF U CAN PLEASE) Atoms, Elements, Compounds, and Chemical Bonds
1. The diagram below shows the atomic structures of to different atoms. Use the
daram to
• Assess the chemical properties of each atom in terms of stability or reacht
and explain your reasoning
• Explain the relationship between atoms and elements. Be sure to refer to the
agram in your explanation
Atomic Models of Elements
Lithium
Fluorine
electron
neutron
proton
(PLEASE HELP IF U CAN , 50 POINTS : NEED IT BY 11:59)
Answer:
Atomic Models Of Elements: Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). ... Atoms are made up of protons and neutrons located within the nucleus, with electrons in orbitals surrounding the nucleus.
Lithium:Lithium is a chemical element with the symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the lightest metal and the lightest solid element. because it is present in trace amounts in virtually all rocks.
Florine:Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists at standard conditions as a highly toxic, pale yellow diatomic gas. As the most electronegative element, it is extremely reactive, as it reacts with all other elements, except for argon, neon, and helium.
Electron:Electron is a free and open-source software framework developed and maintained by GitHub. It allows for the development of desktop GUI applications using web technologies: it combines the Chromium rendering engine and the Node.js runtime.
Neutron:The neutron is a subatomic particle, symbol n or n⁰ , which has a neutral charge, and a mass slightly greater than that of a proton. Protons and neutrons constitute the nuclei of atoms.
Proton:A proton is a subatomic particle, symbol p or p⁺ , with a positive electric charge of +1e elementary charge and a mass slightly less than that of a neutron. Protons and neutrons, each with masses of approximately one atomic mass unit, are jointly referred to as "nucleons".
Explanation:
I Tried To Do My Best :DDD
Which are the reactants of photosynthesis
Answer:
The reactants of photosynthesis are everything to the left of the "———>" arrow, thus the reactants of photosynthesis are carbon dioxide, water, and sunlight energy. The products of photosynthesis are everything to the right of the "———>" arrow, thus the products of photosynthesis are glucose and oxygen
Explanation:
5 reactants of photosynthesis:
The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.
Hellpppp I really need the answers
Answer:
x- summer y- winter
Explanation:
It looks like x is closer to the equator and would therefore have hotter weather, meanwhile y looks like it's closer to the top of the planet (where its a lot colder)
Developing and using models, making observations, and using mathematics apply to
a. science only.
b. engineering only.
c. both science and engineering.
d. neither science nor engineering.
For 100 Points!
Which of the following factors are responsible for the annual rise and fall in carbon dioxide levels? (Several choices may be correct.)
A) fallen leaves decaying in autumn
B) consumption of more fossil fuels in the winter
C) plant growth in the spring
D) increase in surface temperature of the earth during summer
PS: I've tried A & D and B & D (they were both wrong)
I believe the answer is
A & C.
Following factors are responsible:-
Fallen leaves decaying in autumn.Plant growth in the springWhat is the reason for carbon dioxide rise in environment?Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy. Fossil fuels like coal and oil contain carbon that plants pulled out of the atmosphere through photosynthesis over many millions of years.What are the consequences of rise in carbon dioxide?Transpiration is affected by the degree of ground cover.Rising carbon dioxide concentrations will increase plant growth. More rapid leaf area development and more total leaf area could translate into more transpiration.Rising carbon dioxide concentrations will decrease leaf stomata. conductance to water vapor. This effect could reduce transpiration.Rising carbon dioxide concentrations and rising global temperatures.To know more about transpiration here
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PLS HELP THIS IS GIVING ME DEPRESSION
33 divide by 55 I'm confused as well
165 miles per hour
d = rt
d = 55*3
d = 165
1. what are reactants in cellular respiration?
2. what are products in cellular respiration?
3. where specifically does cellular respiration take place?
Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP) Energy; waste products include carbon dioxide and water. It take place in the mitochondria of cells
What a types of organisms do lactic acid fermentation? Summarize this process
Answer: In lactic acid fermentation, pyruvate from glycolysis changes to lactic acid. This type of fermentation is carried out by the bacteria in yogurt, and by your own muscle cells. In alcoholic fermentation, pyruvate changes to alcohol and carbon dioxide. This type of fermentation is carried out by yeasts and some bacteria.
Explanation: Found on Flexbooks.
Lactic acid fermenting bacteria is Lactobacillus, though other bacteria and even yeast are sometimes used.
Lactic acid fermentation is a metabolic process by which glucose or other six-carbon sugars are converted into cellular energy and the metabolite lactate, which is lactic acid in solution.What is lactic acid?Lactic acid is mainly produced in muscle cells and red blood cells.It forms when the body breaks down carbohydrates to use for energy when oxygen levels are low. When body's oxygen level might drop include: During intense exercise lactic acid is formed.What is fermentation?Fermentation is a chemical process by which carbohydrates, such as starch and glucose, are broken down anaerobically. Fermentation has many health benefits and is used in the production of alcoholic beverages, bread, yogurt, sauerkraut, apple cider vinegar and kombucha.
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During photosynthesis, plants and other photosynthetic organisms release oxygen into the atmosphere. Without this process, Earth's atmosphere would have little oxygen. Identify two reasons why photosynthesis is critical for animals to produce energy for life functions. How would this effect the animals ability to create the four main types of biomolecules.
Answer:
Without oxygen from photosynthesis animals would not have oxygen for the four type of biomolecules which all require oxygen. Carbon hydrogen and oxygen is carbohydrates and same for lipids. Proteins would not have the oxygen for CHON which is carbon hydrogen oxygen and nitrogen. And nucleic acids which are CHONP carbon hydrogen oxygen nitrogen and phosphorus would not have oxygen. And without oxygen the animals would die and not be able to produce these biomolecules.
Answer: To grow and reproduce, all creatures require energy. Cellular respiration is utilized by many organisms (including all plants) to create ATP, which is needed for cellular energy. As a substrate, carbohydrates such as glucose are used in the respiration reaction. Plants produce their own fuel for respiration through photosynthesis, but humans consume food to do so. Plants would not be able to breathe if photosynthesis did not occur. Furthermore, carbohydrates created during photosynthesis are needed to construct plant cell components such as the cellulose cell wall.
Explanation: Facts... I took this last year in 9th or 10th grade.
Why are surfaces for muscle attachment rough?
Answer:
rough surfaces provides greater surface area for attachment
Autonomic nervous system includes which one of the following?
a) Vagus Nerve (b) Hypoglossal Nerve (c) Facial Nerve (d) Olfactory Nerve
Answer:
d
Explanation:
Recall that matter is neither created nor destroyed; but it can
Answer:
transform or changed
Explanation:
you can change matter from one stay to the next but you cant actually create it or completely destroy it
Which of the following best describes the function of messenger RNA mRNA
Answer:
Messenger RNA (mRNA) carries the genetic information copied from DNA in the form of a series of three-base code “words,” each of which specifies a particular amino acid. 2. Transfer RNA (tRNA) is the key to deciphering the code words in mRNA.
pls mark brainliest!
YA'LL ARE SMART ! PLEASE HELP!
Answer:
hello
Explanation:
it's 18m/s
180/10
A family paid $ 28,000 as a down payment for a home. If this represents 14% of the price of the home, find the price of the home.
Answer:
175000.00
GBP
16
%
=
28000
so we can also say
100
%
=
x
Then from here the rule says that you do
100
×
28000
16
So if we do that we get a result of
175000
That is the price of the home.
x
=
175000.00
GBP
Explanation:
So we must begin with a rule that is commonly used to work this out.
Hope this worked out <3please HELP i’ll give brainlist and 100 points
1.name the reactants in the equation
2. name the products in the equation
3. state whether this reaction is endothermic and explain how you are able to recognize this
4. state whether this reaction is anabolic or catabolic and explain how you are able to recognize this
According to the image,
1. The reactants of photosynthesis is carbon dioxide, water, and solar energy.
2. The products of photosynthesis is glucose and oxygen
3. The photosynthesis reaction is endothermic. For a reaction to be endothermic, energy (in this case, solar energy) must be put into the system in order for the reaction to occur. Whereas, exothermic reactions are spontaneous and don't require an initial input of energy.
4. Photosynthesis is an anabolic pathway. Carbon dioxide and water are utilized to synthesize glucose. Whereas, the process of glycolysis is catabolic because you break down glucose into 2 molecules of pyruvate.
Is 2Na + H2O → 2NaOH + H2 a balanced equation?
Answer:
Yes
Explanation:
Its reaction type is single replacement.
In a certain ecosystem, eagles
prey on fish. If the number of
eagles in the ecosystem increases,
the carrying capacity
A. of the fish population will go up
B. of the fish population will go down
C. of the eagle population will go down
D. will be unaffected
If the number of eagles in the ecosystem increases,the carrying capacity of the fish population will go down.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
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Which of these is
MOST LIKELY to
lead to the
establishment of a
THEORY?
ME
A. a single experiment about the effects of nutrients on
fish in an aquarium
B. a well-supported hypothesis, many experiments with a
lot of peer review
C. a series of social media posts about the spread of a
disease
Answer:
the answer is B
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how many atoms for each element are im the formula 5Na(C3O4)2
Answer:
6 atoms
Explanation:
Answer:
there are a total of 3 carbon atoms 6 oxygen atoms 5 Na atoms
in total there is 14 atoms
Explanation:
hope i helped if im wrong please feel free to let me know
HELP PLEASE!!!!!!!!
Which of the following scenarios is most likely using the same type of cell transport as the sodium-potassium pump?
A.
A child's badly skinned knee heals rapidly.
B.
Animal cells control calcium levels to maintain proper signaling between cells.
C.
Cell activities remove fluid in a patient with swollen abdominal tissues.
D.
Minerals from food diffuse into an animal's intestine.
Answer:
option (A) is the correct.
Explanation:
I hope this helps you ♡♡
The statement which represents a scenario that most likely uses the same type of cell transport as the sodium-potassium pump is that a child's badly skinned knee heals rapidly. Thus, the correct option for this question is A.
What is the sodium-potassium pump?A sodium-potassium pump may be defined as a type of pump or channel or enzyme that is significantly found in the membrane of all animal cells. It performs several functions in cell physiology. The Na⁺/K⁺-ATPase enzyme is active. It effectively moves sodium and potassium ions against large concentration gradients.
According to the context of this question, the working mechanism of the sodium-potassium pump depends on the movement of two potassium ions into the cell where potassium levels are high and the pump of three sodium ions out of the cell and into the extracellular fluid. It plays an important role in contracting the cardiac muscle, kidney function, and nerve signaling.
Therefore, a child's badly skinned knee heals rapidly is the statement which represents a scenario that most likely uses the same type of cell transport as the sodium-potassium pump. Thus, the correct option for this question is A.
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A doctor sees a patient who has kidney failure, lack of motor coordination, and a poorly functioning nervous system. After testing, the doctor finds that these symptoms are all related to a chronic lack of energy in some of the patient's cells. The doctor diagnoses a metabolic disorder known as Leigh's disease.
Based on this evidence, a malfunction in what organelle is most likely responsible for Leigh's disease?
Mitochondria are the energy centers of the eukaryotic cells. In these organelles, ATP (the energy coin of the cell) is produced by the oxidation of pyruvate (Krebs cycle) and oxidative phosphorylation.
Based on this information, malfunction in MITOCHONDRIA is most likely responsible for Leigh's disease.Cellular respiration is series of metabolic reactions by which eukaryotic cells produce energy in the form of ATP from foods and oxygen.Cellular respiration has three main stages: glycolysis, the Krebs cycle and oxidative phosphorylation.Glycolysis occurs in the cytoplasm, whereas the Krebs cycle and oxidative phosphorylation occur in the mitochondria.Learn more in:
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