The correct answer for this question would be option B. Systematists categorize all living creatures into three domains namely bacteria, archaea and eukarya. This is a<span>ccording to the Woese system which is introduced in 1990. Both Archaea and Bacteria are classified as prokaryotes or single-celled organisms. Hope this answer helps.</span>
Answer- H
| ..
C = O
| ..
H
Explanation: Correct on Edg 2020/2021.
As a matter of fact, any emotion you experience is a chemical reaction in your brain that manifests itself as a feeling and can cause you to behave in a particular manner.
"The initiation of DNA replication occurs in two steps. First, a so-called initiator protein unwinds a short stretch of the DNA double helix. Then, a protein known as helicase attaches to and breaks apart the hydrogen bonds between the bases on the DNA strands, thereby pulling apart the two strands"(https://www.nature.com/scitable/.../cells-can-replicate-their-dna-precisely-6524830).
Of course C is wrong because the answer is D
