First it is a kind of protein that is capable of pumping out compounds. For example, sodium potassium ATPhase is a transmembrane pump that pumps out 3 Na+ ions for the cell.
Oceania, South America, and Southeast Asia.
<span>The answer is valves. One </span><span>feature that the entrances and exits to the heart need in order to maintain this flow pattern is the valves. E</span><span>ntrances and exits to the heart may need valves in order to maintain this flow pattern. There are valves that control blood flow to the ventricles, and valves that control blood flow out of the ventricles.</span>
A molecule is a group of atoms.
Answer:
B. Leaf
Explanation:
It looks to be green, which is the color of chlorophyll produced in the chloroplasts. This means that it is found in the green leaves and is used to convert light into energy.
