(A) Primary structure
(B) Secondary structure
(C) Tertiary structure
(D) Quaternary structure
Category: Biochemistry Mcqs
Biochemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Biochemistry.
The number of helices present in a collagen molecule is?
(A) 1
(B) 2
(C) 3
(D) 4
Along the α-helix each amino acid residue advances in nm by?
(A) 0.15
(B) 0.10
(C) 0.12
(D) 0.20
Distance traveled per turn of α−helix in nm is?
(A) 0.53
(B) 0.54
(C) 0.44
(D) 0.48
Each turn of α-helix contains the amino acid residues (number):
(A) 3.6
(B) 3.0
(C) 4.2
(D) 4.5
Fibrous proteins have axial ratio?
(A) Less than 10
(B) Less than 10 and generally not greater than
3–4
(C) Generally 10
(D) Greater than 10
Globular proteins have completely folded, coiled polypeptide chain and the axial ratio (ratio of length to breadth) is?
(A) Less than 10 and generally not greater than
3–4
(B) Generally 10
(C) Greater than 10 and generally 20
(D) Greater than 10
The hydrogen bonds between peptide linkages of a protein molecules are interfered by?
(A) Guanidine
(B) Uric acid
(C) Oxalic acid
(D) Salicylic acid