The correct answer is option B, that is, functional group.
A functional group refers to a part of a molecule, which is a classified/recognizable group of bound atoms. The functional group provides the molecule with its characteristics, in spite of what molecule comprises it, they are the centers of chemical reactivity. The functional groups in a molecule require to be determined when naming.
Because human DNA is so very long (with up to 80 million base pairs in a chromosome) it unzips at multiple places along its length so that the replication process is going on simultaneously and more accurately.
Drag is another one i actually did this project in 5th grade so i know some of this hope this helps.
The answer is D. Just think how hard it would be to see a moth of that colour when just about everything during that time period is grey.
I believe the answer is A. True! Good luck with the respond your homework! Anymore questions you can just comment or DM me:)
