Answer: So that the experimenter is able to compare and contrast between the control group and the variable group. This will help the experimenter come up with data conclusion during their experiment:)
Answer:
b. Mainly between the conserved histone folds and the phosphate backbone of the DNA helix.
Explanation:
Histones are proteinous substances that are present in the chromatin of eukaryotic organisms.
The histones help to package or group DNA molecules in eukaryotic organisms into a structure that we refer to as chromosomes.
The contacts between the DNA and the histones of the nucleosome occurs mainly between the conserved histone folds and the phosphate backbone of the DNA helix.
The skeleton of an embryo is made up of cartilage and collagen
Hope this helps :3
"Leydig Cells" secretes & synthesize androgens such as testosterone
Hope this helps!
