- <em>it's </em><em>letter</em><em> </em><em>C </em>
Explanation:
<em>because</em><em> </em><em>the </em><em>R </em><em>called </em><em>in </em><em>sperm </em><em>nuclei</em>
<em>hope</em><em> it</em><em> helps</em>
I think its B <span>DNA sequences that code for genetic instructions attach to phosphate groups that express an organism's physical traits. </span>
Answer:
A. III only
Explanation:
Cytochromes are found only in the mitochondrial membrane as part of the electron transport chain. They are vital to the downward cascade of energy as electrons are passed from the NAD+ and FAD produced during glycolysis and the Krebs cycle into the electron transport chain to eventually produce ATP.
That would be the Endoplasmic Reticulum my good friend hope this helped... :D