Chapter 5 Microbial Metabolism

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eiren

通報

問題一覧

What is an enzyme?

Both a biological catalyst and a molecule that speeds up chemical reactions

Enzymes are usually

Proteins

Which of the following statements regarding enzymes is false?

Enzymes function as electron acceptors in oxidation-reduction reactions

A coenzyme is

The non-protein part of a holoenzyme

The specificity of an enzyme is determined by

The shape of the active site

The allosteric site is where

A noncompetitive inhibitor binds

Feedback inhibition occurs when

The product binds to the allosteric site

Which of the following is least likely to decrease enzyme activity?

Too much substrate

In aerobic cellular respiration the final electron acceptor is

In anaerobic cellular respiration the final electron acceptor is

An inorganic molecule other than O2

In fermentation the final electron acceptor is

An organic molecule

Substrate level phosphorylation is

Direct transfer of phosphate from a substrate to ADP

The process that involves transfer of elections from organic compounds down an electron transport chain to a final electron acceptor and harnessing the energy released during electron transfer to make ATP by chemiosmosis is

Oxidative phosphorylation

In oxidative phosphorylation high energy electrons are obtained by

Oxidation of organic compounds

Which of the following is not produced by glycolysis

2 acetyl-CoA molecules

In aerobic cellular respiration pyruvic acid is converted to

Acetyl-CoA

1 ATP, 3 NADH, and 1 FADH2 are produced by

The Krebs cycle

The starting molecule that enters the Krebs cycle is

Acetyl-CoA

In cellular respiration and photophosphorylation, the proton pumps that move hydrogen ions across a membrane to establish a proton gradient are energized by

An electron transport chain

Chemiosmosis

None

Chemiosmosis requires

Unequal hydrogen ion distribution across the membrane

How much energy is in 1 ATP?

7.3 kcal/mole

1 glucose = ___ ATP by aerobic cellular respiration

1 pyruvic acid = ___ ATP by aerobic cellular respiration

1 acetyl-coA= ___ ATP by aerobic cellular respiration

What are the `high energy elections‘ produced in glycolysis?

2NADH

What is oxidation?

The removal of one or more elections from a substrate

How does the electron transport system receive electrons?

Carrier molecules NADH and FADH2

What is the most common method of inhibiting enzyme activity?

Feedback inhibition

In protein synthesis inhibition, ___ inhibitors bind to the active site

Competitive

Where do non-competitive inhibitors bird to on an enzyme?

Allosteric site

An end product binds to the allosteric site of an enzyme a step early in the metabol pathway to inhibit it

Feedback inhibition

Kreb's Cycle produces 1 ATP by ____ per acetyl-CoA

Substrate-level phosphorylation

211 exam 2 ch18 part 1

eiren · 100問 · 1年前

211 exam 2 ch18 part 1

100問 • 1年前

eiren

211 exam 2 ch18 part 2

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211 exam 2 ch18 part 2

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211 exam 2 ch19 part 1

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211 exam 2 ch19 part 1

The cardiac cycle

The cardiac cycle

211 exam 2 ch22

211 exam 2 ch22

211 lab quiz 4

211 lab quiz 4

211 exam 3 ch 24

211 exam 3 ch 24

211 lab quiz 4 cat anatomy

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211 lab quiz 4 cat anatomy

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinary system

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211 lab quiz 4 urinary system

Urinary system

Urinary system

211 exam 3 ch 23

211 exam 3 ch 23

211 exam 3 ch 25

211 exam 3 ch 25

211 exam 3 ch 26

211 exam 3 ch 26

211 lab quiz 3 terms

211 lab quiz 3 terms

General practice quiz

eiren · 48問 · 1年前

General practice quiz

Quiz 5 histology

Quiz 5 histology

Hormones

Hormones

Diabetes

Diabetes

Reproductive system

Reproductive system

Endocrine system

Endocrine system

Blood

Blood

Lymphatic system

Lymphatic system

Cardiovascular system

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Cardiovascular system

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Cardiovascular system; Blood vessels

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Cardiovascular system; Blood vessels

Respiratory system

Respiratory system

Urinary System

Urinary System

Digestive system

Digestive system

Reproductive system

Reproductive system

Terminology

Terminology

Ch 1

Ch 1

Mini practical

Mini practical

Chapter 2

Chapter 2

Chapter 4

Chapter 4

Chapter 6

Chapter 6

Chapter 7

Chapter 7

Chapter l

Chapter l

Chapter 2

Chapter 2

Chapter 4

Chapter 4

Chapter 5 Microbial Metabolism

eiren · 14問 · 1年前

Chapter 5 Microbial Metabolism

Mini practical 2

Mini practical 2

Skills 8

Skills 8

Chapter 6 Microbial Growth

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Chapter 6 Microbial Growth

Skills 7

Skills 7

Chapter 7 Control Of Microbial Growth

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Chapter 7 Control Of Microbial Growth

Skills 5

Skills 5

Chapter 8 Microbial Genetics

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Chapter 8 Microbial Genetics

Skills 4

Skills 4

Skills 6

Skills 6

Chapter 9

Chapter 9

Chapter 10

Chapter 10

Chapter 11

Chapter 11

Chapter 13

Chapter 13

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

eiren · 65問 · 1年前

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

65問 • 1年前

eiren

問題一覧

What is an enzyme?

Both a biological catalyst and a molecule that speeds up chemical reactions

Enzymes are usually

Proteins

Which of the following statements regarding enzymes is false?

Enzymes function as electron acceptors in oxidation-reduction reactions

A coenzyme is

The non-protein part of a holoenzyme

The specificity of an enzyme is determined by

The shape of the active site

The allosteric site is where

A noncompetitive inhibitor binds

Feedback inhibition occurs when

The product binds to the allosteric site

Which of the following is least likely to decrease enzyme activity?

Too much substrate

In aerobic cellular respiration the final electron acceptor is

In anaerobic cellular respiration the final electron acceptor is

An inorganic molecule other than O2

In fermentation the final electron acceptor is

An organic molecule

Substrate level phosphorylation is

Direct transfer of phosphate from a substrate to ADP

Oxidative phosphorylation

In oxidative phosphorylation high energy electrons are obtained by

Oxidation of organic compounds

Which of the following is not produced by glycolysis

2 acetyl-CoA molecules

In aerobic cellular respiration pyruvic acid is converted to

Acetyl-CoA

1 ATP, 3 NADH, and 1 FADH2 are produced by

The Krebs cycle

The starting molecule that enters the Krebs cycle is

Acetyl-CoA

In cellular respiration and photophosphorylation, the proton pumps that move hydrogen ions across a membrane to establish a proton gradient are energized by

An electron transport chain

Chemiosmosis

None

Chemiosmosis requires

Unequal hydrogen ion distribution across the membrane

How much energy is in 1 ATP?

7.3 kcal/mole

1 glucose = ___ ATP by aerobic cellular respiration

1 pyruvic acid = ___ ATP by aerobic cellular respiration

1 acetyl-coA= ___ ATP by aerobic cellular respiration

What are the `high energy elections‘ produced in glycolysis?

2NADH

What is oxidation?

The removal of one or more elections from a substrate

How does the electron transport system receive electrons?

Carrier molecules NADH and FADH2

What is the most common method of inhibiting enzyme activity?

Feedback inhibition

In protein synthesis inhibition, ___ inhibitors bind to the active site

Competitive

Where do non-competitive inhibitors bird to on an enzyme?

Allosteric site

An end product binds to the allosteric site of an enzyme a step early in the metabol pathway to inhibit it

Feedback inhibition

Kreb's Cycle produces 1 ATP by ____ per acetyl-CoA

Substrate-level phosphorylation