Biochemistry - Mock Test 3

Question 21

The flavin adenine dinucleotide (FA4⃣ component of flavanoprotein enzyme is formed by

A) Niacin B) Citric acid C) Riboflavin D) component of flavanoprotein enzyme is formed by? 1⃣ Niacin 2⃣ Citric acid 3⃣ Riboflavin

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Question 22

The flavin mononucleotide (FMN) component of flavanoprotein enzyme is formed by

A) Niacin B) Citric acid C) Riboflavin D) Asparatic acid

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Question 23

The single protein cytochrome aa₃ contains

A) Two heme molecules B) Three heme molecules C) Four heme molecules D) Five heme molecules

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Question 24

Cytochrome oxidase is also denoted as

A) a B) a₃ C) a₂ D) a₄

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Question 25

The reaction products of oxidases are

A) Water alone B) Hydrogen peroxide alone C) Both water and hydrogen peroxide D) Neither water nor hydrogen peroxide

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Question 26

Oxidoreductases do not include

A) Oxidases B) Dehydrogenases C) Hydrogenases D) Hydroperoxidases

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Question 27

The Free energy change is expressed numerically as

A) Membrane potential B) Conduction potential C) Ion potential D) Oxidation-reduction potential

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Question 28

Free energy change is expressed numerically as

A) Membrane potential B) Redox potential C) Conduction potential D) Free energy

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Question 29

Oxidation-reduction potential is also known as

A) Membrane potential B) Redox potential C) Ion potential D) Free energy

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Question 30

Enzymes that incorporate oxygen into many substrates are

A) Convertases B) Reductases C) Hydrogenases D) Oxygenases

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