What will most likely happen if a toxin causes the hydrogen ion pump to stop
moving htions outside the mitochondrial membranes of the bird's cells?

a. the bird will stop flying because it will quickly use up its remaining
energy
b. the bird will eat more food to build up its energy reserves in the
krebs cycle.
c. the bird will fly only short distances because it will need to rest.
d. the bird will fly a long distance because it will rely on energy from
glycolysis.

The correct answer is A. The bird will stop flying because it will quickly use up its remaining  energy.

Just checked it in APEX, so feel free to use!

explanation:

the sequence of amino acids in a protein determines its function. the dna sequence of a gene determines the amino acid sequence of the resulting protein. thus, any changes in dna sequence can result in changes in protein function. this is called a mutation.

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.