What is the name of the one- or two-letter representation of an element?
a chemical symbol
b atomic number
c group symbol
d valence symbol

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Talking listening and reacting non verbally are all part of communicating

Aplant may open end close its stomata to prevent excess water loss and maintain