Vitamin A helps form and maintain healthy teeth, bones, soft tissue, mucus membranes, and skin. Vitamin B6 is also called pyridoxine. Vitamin B6 helps form red blood cells and maintain brain function. This vitamin also plays an important role in the proteins that are part of many chemical reactions in the body.
At first the cells have the same number of chromosomes as mitosis. DNA replication occurs, giving a total of 46<span> chromosomes (or </span>23<span> chromosome pairs) and </span>92 chromatids<span> (or </span>46 chromatid<span> pairs).</span>
Answer:
Zwitterion
Explanation:
A Zwitterion is mostly molecules of Aminoacid that has both positive and negative end.
<span>The factors which are common to both gradualism and punctuated equilibrium are found in the first option - migration, genetic drift, speciation, and natural selection. Both gradualism and punctuated equlibrium go through these 4 phases. Gradualism, as opposed to punctualism, is a theory that proposes that evolution is a process created through gradual changes, as opposed to immediate ones.</span>
As viruses cannot reproduce by themselves, they depend on the host cells that they infect to reproduce