Which one of the following is INCORRECT about protein structures?
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Biotechnology Engineering · all questionsBiochemistry in Biotechnology
Biochemistry in Biotechnology
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Which one of the following amino acids has three ionizable groups?
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During lactic acid fermentation, net yield of ATP and NADH per mole of glucose is
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The reactions leading to the formation of amino acids from the TCA cycle intermediates are
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The catalytic efficiency for an enzyme is defined as
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Which of the following types of molecules act as biological catalysts?
P. Protein
Q. RNA
R. Phospholipid
P. Protein
Q. RNA
R. Phospholipid
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Which one of the following amino acids has the highest probability to be found on the surface of a typical globular protein in aqueous environment?
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Determine the correctness or otherwise of the following Assertion (A) and the Reason (R).
Assertion: A very low amount of inhibitor can act as an activator for allosteric enzymes.
Reason: Allosteric enzymes follow Michaelis-Menten kinetics.
Assertion: A very low amount of inhibitor can act as an activator for allosteric enzymes.
Reason: Allosteric enzymes follow Michaelis-Menten kinetics.
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During photorespiration under low CO2 and high O2 levels, O2 reacts with ribulose 1, 5-bisphosphate to yield
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The activity of an enzyme is expressed in International Units (IU). However, the SI unit for enzyme activity is Katal. One Katal is
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The molarity of water in a water: ethanol mixture (15 : 85, v/v) is approximately
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The product(s) resulting from the hydrolysis of maltose is/are
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Match the vitamins in Group I with the processes/ reactions in Group II.
| Group I | Group II |
| P. Pantothenic acid | 1. Electron transport |
| Q. Vitamin B2 | 2. Transfer of 1-C units |
| R. Vitamin B6 | 3. Decarboxylation |
| S. Folic acid | 4. Fatty acid metabolism |
| 5. Hydrolysis |
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An alternative to glycolysis pathway is
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Disaccharide molecules that contain β(1→ 4) glycosidic linkage are
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The dissociation constant Kd for ligand binding to the receptor is 10-7 M. The concentration of ligand required for occupying 10% of receptors is
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Which one of the following metabolic processes in mammalian cells does NOT occur in the mitochondria?
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The ΔG° for the oxidation of NADH by FAD is
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Match the high energy compounds in Group I with the biosynthetic pathways for the molecules in Group II.
| Group I | Group II |
| P. GTP | 1. Fatty acid |
| Q. UTP | 2. Phospholipid |
| R. CTP | 3. Protein |
| S. Acyl coenzyme A | 4. Peptidoglycan |
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If a plant is shifted to cold temperature, which of the following changes would take place in its membrane?
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