Answer:
True
Explanation:
Fixation converts nitrogen in the atmosphere into forms that plants can absorb through their root systems. A small amount of nitrogen can be fixed when lightning provides the energy needed for N
Answer:
The answer is B.
Explanation:
Acetoacetate and Acetyl CoA share a precursor with cholesterol synthesis which begins with Acetyl Coa but not β‑hydroxybutyrate.
Modifying other enzymes can be said for β‑hydroxybutyrate but not Acetoacetate.
They are not both produces from Acetyl Coa of fats. β‑hydroxybutyrate is produces from the acids with fats in the liver but the same can not be said for Acetoacetate.
However they both can be said to provide energy for the brain because they are both released into the bloodstream in the event of hunger or when the body/brain needs energy in a state of fasting.
I hope this answer helps.
Answer:
<em><u>Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.</u></em>
Explanation:
Answer:
b. a cell takes in DNA from outside the cell.
Animals' DNA will adapt to the changes, and the ones that inhabited the current ecosystem will mostly die off.
