<span>Her data suggested that DNA is a helical structure that has two strands attached in the middle by the phosphate bases. That was the necessary information, needed to complete an accurate model of the structure of DNA. She also was the first one to announce that the phosphate units are located in the external part of the DNA and that the amount of water found in the molecule is in accordance with other parts of it.</span>
Yes. They have cells, they have seeds to reproduce, and they respond to environment. Rotting is an example of an apple developing (although it is dying), using energy, and responding to the environment.
Explanation:
HIV virus is an RNA virus
Umbilical cord and haploid