We are describing their physical features.
Answer:
Sexual selection
Explanation:
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Ph value between 0.5 and 2.5 is the optimum temperature of the pepsin which means its the most active. When temperature increase above the optimum temperature it will cause a rapid decrease in the rate of reaction. High temperature breaks the bond that keeps the enzyme (pepsin) in shape. The enzyme will denature and become inactive.
Answer:
C.
Explanation:
At the time no one really had any idea
Answer:
See the answer below, please.
Explanation:
DNA is made up of nucleotides, which are composed of: phosphate group, sugar (deoxyribose) and nitrogenous base (adenine, cytosine, guanine or thymine). These nucleotides join together to form a double spiral-type chain (the double helix). In the base matings by hydrogen bonds: adenine pairs with thymine, and guanine with cytosine (this is inside the double helix and the sugar-phosphate skeleton on the outside).
