porter
A membrane protein that functions to transport substances into and out of the cell.
Dictionary > Porter
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..