Correct answer is (D. Once created in bone marrow, they circulate for our lifetime)
DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. The only difference between ribose and deoxyribose is that ribose has one more -OH group than deoxyribose, which has -H attached to the second (2') carbon in the ring. DNA is a double-stranded molecule, while RNA is a single-stranded molecule.
The process of making organic food molecules in the absence of light
Answer:
a
Explanation:
According to the taxonomical hierarchy, the kingdom is the highest category in biological classification. It is a group of closely related organisms.
Kingdom - Phylum -Class - Order -Family - Genus -Species.
<span>Prolonged stress due to sustained child abuse is associated with reductions in the size of the: hippocampus </span>
