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Blababa [14]
3 years ago
9

Where does fusion or fission takes place? X or Y

Biology
2 answers:
r-ruslan [8.4K]3 years ago
4 0
X comes before y have a great day hope you get a good grade
Radda [10]3 years ago
3 0

Answer:

so x comes before y

Explanation:

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The movement of molecules against the gradient from low concentration to high concentration using ATP
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It is also possible to move substances across membranes against their concentration gradient (from areas of low concentration to areas of high concentration). ... If the energy of ATP is directly used to pump molecules against their concentration gradient, the transport is called primary active transport.

Hope this helps

8 0
3 years ago
Which cells of the nervous system protect the cns by phagocytosing viruses, microorganisms, and tumor cells?
alexandr402 [8]
The correct answer is microglia.
<span>Microglia is glial cells found in the central nervous system with the protective role. Because they are the resident macrophage cells, they act as the first and main form of active immune defense. Microglia is constantly cleaning the CNS for plaques, damaged or unnecessary neurons, and infectious agents, like viruses or other microorganisms.</span>
3 0
3 years ago
Which step of respiration produces the most energy for the organism?
artcher [175]

Answer:

Krebs cycle

Explanation:

The Krebs cycle produces the CO2 that you breath out. This stage produces most of the energy ( 34 ATP molecules, compared to only 2 ATP for glycolysis and 2 ATP for Krebs cycle). 

5 0
3 years ago
Cell specialization in the human body is usually due to ____.
Vanyuwa [196]
I will go with A ....as radiation is out of question..... DNA sequence is same in all.......I don't think evolution is a mistake !

so A
4 0
2 years ago
Read 2 more answers
What is the function of the macromolecule nucleotide?
Aleks04 [339]

Answer:

I believe that the answer is D.

Explanation:

A) is wrong

B) is carbohydrates

C) is lipids

D) is nucleic acids and the monomer of nucleic acids are nucleotides.

4 0
2 years ago
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