When the concentration gradient of such molecules is high on the either the cytoplasmic side or the extracellular side of the cell. When the concentration gradient is high it flows freely through the cell membrane to the other side without expanding energy.
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Ovulation is the release of a mature egg from the surface lf the ovary. This usually occurs mid cylce, around 2 weeks or so before menstruation. During the follicular phase
A food chain is a linear representation of the energy going through organisms while a food web shows multiple connections between the organisms.
Explanation:
The purines are ribose and deoxyribose
