Enzymes requiring NAD as co-substrate can be assayed by measuring change in absorbance at (A) 210 nm (B) 290 nm (C) 340 nm (D) 365 nm

Enzymes requiring NAD as co-substrate can be assayed by measuring change in absorbance at (A) 210 nm (B) 290 nm (C) 340 nm (D) 365 nm
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Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity

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Last Answer : Answer : A

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A sigmoidal plot of substrate concentration ([S]) verses reaction velocity (V) may indicate (A) Michaelis-Menten kinetics (B) Co-operative binding (C) Competitive inhibition (D) Non-competitive inhibition

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Description : Which of these statements is incorrect? (a) Enzymes of TCA cycle are present in mitochondrial matrix. (b) Glycolysis occurs in cytosol. (c) Glycolysis operates as long as it is supplied ... that can pick up hydrogen atoms. (d) Oxidative phosphorylation takes place in outer mitochondrial membrane

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What characteristics of enzymes makes them specific for substrate?

Description : What characteristics of enzymes makes them specific for substrate?

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Why do we compare enzymes and substrate to a lock and key?

Description : Why do we compare enzymes and substrate to a lock and key?

Last Answer : What is the answer ?

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Amount of phenylacetic acid excreted in the urine in phenylketonuria is (A) 100–200 mg/dL (B) 200–280 mg/dL (C) 290–550 mg/dL (D) 600–750 mg/dL

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A level of 310–340 mg per 1000 ml of blood is normal for the (A) Copper (B) Iron (C) Potassium (D) Sodium

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Fischer’s ‘lock and key’ model of the enzyme action implies that (A) The active site is complementary in shape to that of substance only after interaction. (B) The active site is complementary in shape to that of substance (C) Substrates change conformation prior to active site interaction (D) The active site is flexible and adjusts to substrate

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A demonstrable inducer is absent in (A) Allosteric enzyme (B) Constitutive enzyme (C) Inhibited enzyme (D) Co-operative enzyme ENZYMES 141

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Description : What are the co-enzymes required for the reaction?

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Description : What are the co-enzymes required for the conversion of propionyl CoA to succinyl CoA?

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What are the co-enzymes needed for fatty acid oxidation?

Description : What are the co-enzymes needed for fatty acid oxidation?

Last Answer : FAD and NAD.

What are the co-enzymes necessary for oxidative decarboxylation of pyruvate?

Description : What are the co-enzymes necessary for oxidative decarboxylation of pyruvate?

Last Answer : Thiamine pyrophosphate, NAD, FAD, Lipoic acid, Co-enzyme A.

Give some examples of co-enzymes involved in reactions other than hydrogen transfer.

Description : Give some examples of co-enzymes involved in reactions other than hydrogen transfer.

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Give some examples of co-enzymes involved in oxidoreductases.

Description : Give some examples of co-enzymes involved in oxidoreductases.

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Description : How are co-enzymes classified?

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Description : What are co-enzymes? 

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Description : The normal concentration of chloride in mg/100 ml of plasma is about (A) 100 (B) 200 (C) 365 (D) 450

Last Answer : Answer : C

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Description : Average concentration of chloride ions in cerebrospinal fluid per 100 ml is (A) 40 mg (B) 440 mg (C) 160 mg (D) 365 mg

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Description : Long chain fatty acids penetrate the inner mitochondrial membrane (A) Freely (B) As acyl-CoA derivative (C) As carnitine derivative (D) Requiring Na dependent carrier

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Description : NH+ 4 aminates glutamate to form glutamine requiring ATP and (A) K+ (B) Na+ (C) Ca++ (D) Mg++

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is 290 10 times as much as2900?

Description : is 290 10 times as much as2900?

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How do you write 290 as a decimal?

Description : How do you write 290 as a decimal?

Last Answer : It is simply 290.0 as a decimal

Is the HP nVIDIA Quadro NVS 290 256 MB PCI-E Graphics Card a dual port card?

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