Mitral valve prolapse severe enough to cause regurgitation may directly cause INCREASE pressure in the LEFT atrium. Mitral valve prolapse is a medical condition in which the the two valve flaps of the mitral valve do not close properly, bulging upward into the left atrium. The condition may be mild or severe. Heart surgery may be required in case of the severe one.
Answer:
Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
A have the MC1R gene and melanin deference
<span>Membrane receptor proteins relay signals between the cell's internal and external environments.
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Transport proteins move molecules and ions across the membrane.</span></span>
phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine.
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