Amino Acids (BC, OC)

Question 1

Non-polar amino acids typically make up the ___ of proteins in order to ____ the area with which they are in contact with ____.

Answer 1

interior, minimize, water

Question 2

______ amino acids typically comprise the _____ interior of a cell membrane, instead of the _____ exterior

Answer 2

non-polar, hydrophobic, hydrophilic

Question 3

When amino acids are kept under low pH conditions, more of the residues will be ____, resulting in a net _____ charge.

Answer 3

protonated, positive

Question 4

When amino acids are kept under high pH conditions, more of the residues will be ___, resulting in a net ___ charge.

Answer 4

deprotonated, negative

Question 5

If ____ or ____ (amino acids) are added into a protein, they will often destabilize (break down) local alpha helical secondary structure

Answer 5

glycine, proline

Question 6

____, ____, and______ (amino acids) are most often targets of phosphorylation

Answer 6

serine, threonine, tyrosine

Question 7

Phosphorylation is the addition of a ____ charged phosphate to a molecule, which often changes the ___ or ___ of that molecule.

Answer 7

negatively, structure, function

Question 8

Serine, Threonine, and Tyrosine all feature a _____ functional group, which is why they are most often targets of phosphorylation

Answer 8

hydroxyl