Matching

-________ is a fibrous protein that contains a hydrophobic amino acid approximately every 4 residues which forms an α helix with one hydrophobic side.
A) tertiary structure
B) keratin
C) molecular chaperones
D) hydropathy
E) cis
F) trans
G) sterically forbidden conformation
H) regular secondary structure
I) collagen
J) peptide bond
K) ribonuclease A (RNase A)
L) alpha

Question

Matching

-________ is a fibrous protein that contains a hydrophobic amino acid approximately every 4 residues which forms an α helix with one hydrophobic side.
A) tertiary structure
B) keratin
C) molecular chaperones 
D) hydropathy 
E) cis
F) trans
G) sterically forbidden conformation 
H) regular secondary structure
I) collagen
J) peptide  bond
K) ribonuclease A (RNase A)
L) alpha

Quizplus · Accepted Answer

The description matches the structure of keratin, a fibrous protein found in hair, nails, and skin.

Answer: D
 The term "hydropathy" describes the hydrophobicity or hydrophilicity of a molecule, in this case referring to the presence of hydrophobic amino acids in the α-helical structure of keratin.

Answer: I
 Collagen is another fibrous protein that forms a triple helix structure, but it does not have the same regular α-helical structure as keratin.

Matching -________ Is a Fibrous Protein That Contains a Hydrophobic Amino