Answer:
the answer is B. nucleic acids
<em>when two reproductive cells join together they simply cross over their chromatids exchanging characteristics so new individual has the characters of both mother and father...</em>
<span>Succession increases biodiversity and helps to prevent too many places from desertification. Without biodiversity, there wouldn't be trees and the other organisms that play a part in keeping an enviroment cool. </span>
<span>It is a mixed-tissue tumor.</span>
The site
of calcium regulation is what differs from a mechanism of contraction in smooth
muscle from skeletal muscle. One of the
important functions of skeletal muscle contraction is production of heat and where
calcium seemingly acts to remove the blocking action of tropomyosin.