Why is it possible for an amino acid to be called for by more than one codon?

What circumstances does crossing over result in new combination's of genes in gametes?

In order for an individual to have a blood pressure, one needs a heart, a vessel and

Suffix below that defines prolapse

A large number of dark and light forms of a moth population were captured, marked or identification, and released. 500 dark and 500 light moths were released. 52 dark and 14 light moths were randomly recaptured.

How is each step in the inflammatory process beneficial?

Neurotransmitters are secreted into a specialized junction known as the: (a) Synapse (b) Synaptic vesicles (c) Ligand channel (d) Axon

Birch bolete is a fungus that normally grows on the roots of birch trees in New York State. During the life of the fungus and the birch, each organism receives nutrients from the various biochemical processes of the other.

Failure of your immune cells to recognize MHC proteins on your normal body cells might result in which type of condition? Select one: a. Leukemia b. Auto-immune diseases c. HIV d. Cancer

The purpose of the Human Genome Project was to: a. map the nucleotide sequence and identify the genes on each human chromosome. b. identify spontaneous alterations in genetic material caused by teratogens. c.

Which of the following does not belong together? A. endothelium B. mesothelium C. membrane capsule D. serous membrane E. all of the above belong grouped together