(A) 1
(B) 2
(C) 3
(D) 4
Tag: Mcqs of Biochemistry
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
Many globular proteins are stable in solution inspite they lack in?
(A) Disulphide bonds
(B) Hydrogen bonds
(C) Salt bonds
(D) Non polar bonds