Adenosine Triphosphate. Adenosine triphosphate, or ATP, is the primary source of energy in both plant and animal cells. ATP is a nucleotide that is the basis for all cell reactions, including the reactionary process of converting food molecules into energy.
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This process starts with a flower that contains several carpels with an equal number of ovaries. Each ovary contains a single ovule that develops into a seed following fertilization.
Answer: Vasodilation of the arteries lowers blood pressure and decreases the force that the heart muscle needs to exert to pump blood., the cell signaling mechanism begins when $NO$ diffuses into the smooth muscle cells of the blood vessel and activates guanylyl cyclase.
Explanation:
The oxygen in you lungs are of a higher concentration than it is in your blood This process is through the use of passive transport.<span>Your blood is then returned to the heart and pumped throughout the body. Because your blood has more oxygen in it than your cells do the blood through the use of passive transport again give the oxygen to the cells.</span>
