{answer quickly! 50 points! }

describe the following protein molecule's structure by its major components.
a) 3 amino acids joined by 3 peptide bonds
b) 3 amino acids joined by 2 peptide bonds
c) 2 amino acids joined by 3 peptide bonds
d) 2 amino acids joined by 2 peptide bonds

give a basic explanation of how you got to your answer.

What causes darkening of the skin as melanin production increases

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed