Answer:
4
Explanation:
There are 4 nitrogenous bases and they are Adenine, Thymine, Cytosine and Guanine (in RNA, Thymine is replaced by Uracil)
<span>In order to move molecules in your kidneys or in your blood your body needs energy
ANSWER: ENERGY</span>
Endothermic reactions require energy
Exothermic reactions release energy
The reactants of photosynthesis would be Carbon dioxide and water.
Anabolism-dehydration synthesis