Answer: inheritance of acquired traits
Explanation: I took the test and aced it so I hope this helped!!
I think the correct answer from the choices listed above is option B. Keratin is the protein in mammals which shows only a primary and secondary structure. Keratin is a fibrous protein forming the structural constituent of hair, feathers, hoofs, claws and many others.
<span>An aerobic reaction is one that requires oxygen. </span>Aerobic respiration is the way toward creating cell vitality including oxygen. Cells separate nourishment in the mitochondria in a long, multistep process that produces around 36 ATP. The initial phase in is glycolysis, the second is the citrus extract cycle and the third is the electron transport framework.