Answer:
DNA is a long polymer with a phosphate backbone and deoxyriboses. Adenine, guanine, cytosine, and thymine are the four nitrogenous bases. The backbone of RNA is made up of ribose and phosphate. Adenine, guanine, cytosine, and uracil are four nitrogenous bases.
So DNA is two stranded, RNA is single stranded.
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Explanation:
C: The polar bear will probably not survive.
Answer:
heavy
Explanation:
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Answer: Cells contain protein, and viruses contain only carbohydrates. Cells reproduce independently, and viruses require a host to reproduce.
Explanation: