<span>The structural characteristic seen in RNA but not in DNA is a single strand. RNA and DNA are macromolecules made up of nucleotides organised in chains. DNA has double strands organised in a helical shape. RNA usually consists of a single strand which is not characteristic for DNA.</span>
Answer:
The answer is D. all of the above
Explanation:
Aquifers are organisms that live in different areas of the water levels.
Separation of homologous chromosomes and recombination, option 2 and 4
Im pretty sure the answer is true