Which of the following amino acids have R groups that are hydrophobic? Isoleucine, Valine, Tryptophan.
A) Isoleucine, Valine, and Tryptophan are all hydrophobic.
B) Only Isoleucine and Valine are hydrophobic.
C) Only Valine and Tryptophan are hydrophobic.
D) Only Isoleucine is hydrophobic.
E) None of the listed amino acids are hydrophobic.
A supplement company sells D-Lysine as a nutritional supplement to increase proteins in your muscles. Why would this be an ineffective plan to increase protein in your muscles?
A) Humans do not use the amino acid Lysine in their proteins.
B) The human body can synthesize Lysine, thus we do not need it from our diet.
C) Only the L form of amino acids is used in proteins in living organisms.
D) Lysine cannot be absorbed in the digestive tract.
E) There is no such thing as D-Lysine.
Which of the following levels of protein structure is not affected by the denaturation of a protein?
A) primary
B) secondary
C) tertiary
D) quaternary
E) no levels are affected by denaturation
This cartoon depicts which type of enzyme inhibition?
A) Competitive Inhibition
B) Uncompetitive Inhibition
C) Noncompetitive Inhibition