During the transmission of signals across a neuromuscular junction, which of the following happens last?
select one:
a. acetylcholine binds to a receptor protein on the motor end plate.
b. sodium and potassium ion gates in the motor end plate open.
c. synaptic vesicles move toward the axon terminals.

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere