Based on the gene and protein sequences that follow, what type of mutation has occurred and what is the effect on the polypeptide?

a. Normal gene: ATGGCCGGCCCGAAAGAGACC
b. Mutated gene: ATGGCCGGCACCGAAAGAGACC
c. Normal protein: Met-Ala-Gly-Pro-Lys-Glu-Thr
d. Mutated protein: Met-Ala-Gly-Thr-Glu-Arg-Asp

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Nerve cells are specialized to respond to stimulitrue or false?