Asingle nucleotide within a gene is changed by ultra-violet radiation exposure but the resulting protein is still functional. this is called

a. an unfortunate event
b. a carcinogenic event
c. a point mutation
d. a frameshift mutation
e. a transposon event

As molecules are formed from metabolism, entropy __ and the universe becomes less disordered. a. is decreased b. is increased c. moves closer to equilibrium d. is unchanged

What blood vessels carry blood to the heart? away from the heart?

Which of the following is not one of the mechanisms of enzyme catalysis by which the substrate is converted to the product? a. changing substrate orientation b. changing substrate reactivity c. inducing strain in the substrate d. preventing an induced fit d. preventing an induced fit