Natural selection and speciation: 'Ecological speciation'. ... Natural selection is generally recognized as a central mechanism of evolutionary change within species. Thus, natural selection plays a major role in generating the array of phenotypic and genetic diversity observed in nature.
The tertiary structure of a protein refers to the overall three-dimensional arrangement of its polypeptide chain in space. It is generally stabilized by outside polar hydrophilic hydrogen and ionic bond interactions, and internal hydrophobic interactions between nonpolar amino acid side chains
The answer should be Axon!
<span>the portion of an antigen that binds covalently to an antibody</span>
Answer:
10
Explanation:
The ratio between the somatic cells and gametes is 2:1. Therefore, since the somatic cell has 20, the gamete would have half: 10.