Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..