Is this a college question
Answer:
C. Succinate is the substrate, and fumarate is the product.
Explanation:
Succinate is the substrate, and fumarate is the product in the reaction.
Each nephron has a tube that has a >><span>Semipermeable<<</span> membrane?
<span>Steroids are put in a class of lipid molecules; molecules that have four carbon rings.
Hope that answers your question. :)</span>