1341. Quatemary structure of protein is :
A. The arrangement sequence of amino acids in the polypeptide chain.
B. Inter relation between amino acids in a single polypeptide chain
C. Inter relation of amino acids in 2 polypeptide chain
D. The inter relation and arrangement of polypeptides in a protein with more than 2 polypeptide chains *
1342. Which of the following is a derived a derived protein:
A. Protamines
B. Peptones *
C. Prolamines
D. Lactalbumin
1343. All are genetic amino acid deficiency disease except:
A. Phenyl ketonuria
B. Alkaptonuria
C. Homocystinuria
D. 6alactosemia *
1344. Mannose 6 phosphate containings freshly synthesized proteins are directed to:
A. Nucleus
B. Lyosomes *
C. Mitochondria
D. Golgi apparatus
1345. Glutamine replaced by valine in sickle cell anaemia is characterized:
A. Non sense mutation of beta chain
B. Missense mutation of beta chain *
C. Degradation of beta chain
D. Deletion of beta chain
1346. All are true about glutathione except?
A. It is a tripeptide
B. It converts Hemoglobin to methemoglobin *
C. It conjugates xenobiotics
D. It scavenges free radicals and superoxide ions.
1347. The class of amino acids that contains only non essential amino acids is :
A. Acidic *
B. Basic
C. Aromatic
D. Branched chain.
1348. The nitrogen content is 50gm of a typical dietary protein is most likely to be :
A. 5gm
B. 8gm *
C. 10gm
D. 16gm
1349. The number of essential amino acid is :
A. 6
B. 8 *
C. 12
D. 16
1350. Limiting factory for fatty acid synthesis:
A. Aceto acetate synthetase
B. Acyl transferase *
C. Acetyl CoA carboxylase
D. Biotin