The electron transport chain uses the energy stored in high energy electrons to pump h+ ions across the inner mitochondrial membrane. why?

the answer for apex is "1 and 6"

answer: that would be cheating

explanation:

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

if you listed your answers right then i believe your answer is b.