<span>a.Prenatal stage of a human up to 8 weeks of development after fertilization.
Hope this helps!</span>
The reason why the RNA has decrease stability compared to
DNA is because the DNA, is lacking a hydroxyl group in which making it more
stable than of the RNA, that is why RNA has decrease stability than the DNA.
Problem statement is a question that comes to the mind and then stated whereas hypothesis is given after the question has been identified and the background research has been done.
Problem statement is just a question while hypothesis is an answer to the problem statement that can be proved or disproved. The experiment is carried out after the hypothesis is given in order to validate it. The data of the experiment is studied and the results are interpreted. The results then either validate the given hypothesis.
Answer:
Chromista
Explanation:
Chromista is a biological kingdom consisting of some single-celled and multicellular eukaryotic organisms, which share similar features in their photosynthetic organelles (plastids).
