Answer: i’m pretty sure that it does contain carbon atoms
Explanation: most organic compounds contain a significant amount of carbon
Answer:
the environment and parasites
Undergo differentiation
become stem cells
turn on all of the genes found in the nucleus
some cells can undergo cell division
Answer:
The DNA molecule is a polymer of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). A DNA molecule is composed of two strands.
