Practice Questions

TLS Online TPP Program

#Question id: 2907

With respect to histone modifications, which, if any, of the following statements, is true?

#Unit 2. Cellular Organization

histone acetylation always means adding an acetyl group to the side chain of a lysine residue.
in histone acetylation each lysine of the histone is acetylated.
in histone phosphorylation a phosphate group is transferred to the side chain of a serine.
in histone methylation it is the DNA that coils around a nucleosome that is methylated, not the histone itself.

More Questions

TLS Online TPP Program

#Question id: 11681

#Unit 7. System Physiology – Animal

A baby is born with a penis, a scrotum with no testes, no vagina, and XX chromosomes. This condition is referred to as hermaphroditism. Which of the following could cause this abnormality?

TLS Online TPP Program

#Question id: 4471

#Unit 3. Fundamental Processes

Intrinsic terminators,

TLS Online TPP Program

#Question id: 2233

#Unit 2. Cellular Organization

Membrane proteins may interact with biomembranes through

a. covalently attached fatty acid molecules.

b. covalently attached lipid molecules.

c. noncovalent protein-protein interactions.

d. hydrophobic α-helical domains.