What useful information can be found from a Van Deemter plot?
A.The selectivity factor
B.Optimum mobile phase flow rate
C.Optimum column temperature
D.Optimum column length
Q 22 How many molecules of ATPs are synthesized per NADH oxidation?
A.2
B.1
C.3
D.4
Q 23 Why is the TCA cycle the central pathway of metabolism of the cell?
A.It occurs in the center of the cell
B.Its intermediates are commonly used by other metabolic reactions
C.All other metabolic pathways depend upon it
D.None of the above
Q 24 Malate-asparatate shuttle operates in ?
A.lungs and liver
B.heart and liver
C.pancreas and liver
D.none of these
Q 25 Which of the following amino acids is considered as both ketogenic and glucogenic?
A.Valine
B.Tryptophan
C.Lysine
D.None of these
Q 26 A glucogenic amino acid is one which is degraded to ?
A.keto-sugars
B.either acetyl CoA or acetoacetyl CoA
C.pyruvate or citric acid cycle intermediates
D.none of the above
Q 27 Which of the following is the best described glucogenic amino acid?
A.Lysine
B.Tryptophan
C.Valine
D.None of these
Q 28 Long-chain fatty acids are oxidized step-wise in one carbon units starting from the ?
A.carboxyl end
B.aliphatic end
C.both (a) and (b)
D.none of these
Q 29 How many molecules of acetyl-CoA are produced in oxidation of palmitic acid (C16), which involves seven rounds of oxidation?
A.6
B.7
C.8
D.9
Q 30 The viruses that can achieve neoplastic transformation are called ?
A.DNA tumor viruses
B.RNA tumor viruses
C.retroviruses HIV
D.none of these