Classify each of the following proteins according to its function:
c. keratin, a protein found in hair

Consider the amino acids lysine, valine, and aspartate in an enzyme. State which of these amino acids have R groups that would:

b. be found in hydrophilic regions

Consider the amino acids lysine, valine, and aspartate in an enzyme. State which of these amino acids have R groups that would:

c. form hydrogen bonds

Consider the amino acids lysine, valine, and aspartate in an enzyme. State which of these amino acids have R groups that would:

d. form salt bridges

Classify each of the following proteins according to its function:

a. hemoglobin, oxygen carrier in the blood

Classify each of the following proteins according to its function:

a. insulin, a protein needed for glucose utilization

Classify each of the following proteins according to its function:

c. casein, milk protein

List the type of attractive force disrupted and the level of protein structure changed by the following denaturing treatments:

a. adding salt to soy milk to make tofu

Identify each of the following statements as characteristic of protein denaturation or protein hydrolysis. 

a. Milk curdles when lemon juice is added to it.