© 2013 Pearson Education, Inc. Chapter 5: Microbial Metabolism $100 $200 $300 $400 $500...

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© 2013 Pearson Education, Inc.

Chapter 5: Microbial Metabolism

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EnzymesEnergy

ProductionCatabolic Reactions

PhotosynthesisMetabolic Pathways

FINAL ROUND

© 2013 Pearson Education, Inc.

Topic 1: Enzymes

$100 Question

The enzyme-regulated energy-requiringreactions are mostly involved in

a. catabolism.

b. anabolism.

c. photosynthesis.

d. oxidation.

ANSWER

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© 2013 Pearson Education, Inc.

Topic 1: Enzymes

$100 Answer

The enzyme-regulated energy-requiringreactions are mostly involved in

a. catabolism.

b. anabolism.

c. photosynthesis.

d. oxidation.

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© 2013 Pearson Education, Inc.

Topic 1: Enzymes

$200 Question

In living cells, the enzyme-regulated chemical reactions that release energy are generally involved in

a. catabolism.

b. anabolism.

c. photosynthesis.

d. oxidation.

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ANSWER

© 2013 Pearson Education, Inc.

Topic 1: Enzymes

$200 Answer

In living cells, the enzyme-regulated chemical reactions that release energy are generally involved in

a. catabolism.

b. anabolism.

c. photosynthesis.

d. oxidation.

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© 2013 Pearson Education, Inc.

Topic 1: Enzymes

$300 Question

Denaturation of an enzyme involves breakage of

a. peptide bonds.

b. ionic bonds.

c. hydrogen bonds and other noncovalent bonds.

d. hydrogen bonds and peptide bonds.

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ANSWER

© 2013 Pearson Education, Inc.

Denaturation of an enzyme involves breakage of

a. peptide bonds.

b. ionic bonds.

c. hydrogen bonds and other noncovalent bonds.

d. hydrogen bonds and peptide bonds.

Topic 1: Enzymes

$300 Answer

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Topic 1: Enzymes

$400 Question

Enzymes increase the speed of a chemicalreaction by

a. lowering the energy of activation.

b. increasing the energy of activation.

c. increasing the frequency of collisions of the reactants.

d. decreasing the frequency of collisions of the reactants. ANSWER

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Enzymes increase the speed of a chemicalreaction by

a. lowering the energy of activation.

b. increasing the energy of activation.

c. increasing the frequency of collisions of the reactants.

d. decreasing the frequency of collisions of the reactants.

Topic 1: Enzymes

$400 Answer

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Topic 1: Enzymes

$500 Question

Apoenzymes are inactive by themselves and must be activated by

a. cofactors.

b. ATP.

c. holoenzymes.

d. substrates.

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ANSWER

© 2013 Pearson Education, Inc.

Topic 1: Enzymes

$500 Answer

Apoenzymes are inactive by themselves and must be activated by

a. cofactors.

b. ATP.

c. holoenzymes.

d. substrates.

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What process does the electron transport chain perform?

a. glycolysis

b. substrate-level phosphorylation

c. photophosphorylation

d. oxidative phosphorylation

Topic 2: Energy Production

$100 Question

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ANSWER

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Topic 2: Energy Production

$100 Answer

What process does the electron transport chain perform?

a. glycolysis

b. substrate-level phosphorylation

c. photophosphorylation

d. oxidative phosphorylation

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The addition of a phosphate to ADP is called

a. decarboxylation.

b. phosphorylation.

c. oxidative phosphorylation.

d. reduction.

Topic 2: Energy Production

$200 Question

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ANSWER

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The addition of a phosphate to ADP is called

a. decarboxylation.

b. phosphorylation.

c. oxidative phosphorylation.

d. reduction.

Topic 2: Energy Production

$200 Answer

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A reduced molecule

a. is phosphorylated.

b. loses a hydrogen atom.

c. gains one or more electrons.

d. loses a hydrogen atom and gains one or more electrons.

Topic 2: Energy Production

$300 Question

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ANSWER

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A reduced molecule

a. is phosphorylated.

b. loses a hydrogen atom.

c. gains one or more electrons.

d. loses a hydrogen atom and gains one or more electrons.

Topic 2: Energy Production

$300 Answer

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Topic 2: Energy Production

$400 Question

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ANSWER

The energy from catabolic reactions is used to produce

a. ADP.

b. ATP.

c. AMP.

d. phosphate.

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Topic 2: Energy Production

$400 Answer

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The energy from catabolic reactions is used to produce

a. ADP.

b. ATP.

c. AMP.

d. phosphate.

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Topic 2: Energy Production

$500 Question

In which of the following is chemical energy used for carbon fixation?

a. photosynthesis

b. Krebs cycle

c. fermentation

d. glycolysis

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ANSWER

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Topic 2: Energy Production

$500 Answer

In which of the following is chemical energyused for carbon fixation?

a. photosynthesis

b. Krebs cycle

c. fermentation

d. glycolysis

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Topic 3: Catabolic Reactions

$100 Question

What are the overall (net) products of glycolysis?

a. 1 pyruvic acid, 4 ATP, 2 NADH

b. 2 pyruvic acid, 2 ATP, 2 NADH

c. 1 pyruvic acid, 2 ATP, 4 NADH

d. 2 pyruvic acid, 4 ATP, 2 NADH

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ANSWER

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Topic 3: Catabolic Reactions

$100 Answer

What are the overall (net) products ofglycolysis?

a. 1 pyruvic acid, 4 ATP, 2 NADH

b. 2 pyruvic acid, 2 ATP, 2 NADH

c. 1 pyruvic acid, 2 ATP, 4 NADH

d. 2 pyruvic acid, 4 ATP, 2 NADH

.

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Topic 3: Catabolic Reactions

$200 Question

How many molecules of ATP can be generated from the three phases in the respiration of glucose in prokaryotes?

a. 2

b. 4

c. 34

d. 38

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ANSWER

© 2013 Pearson Education, Inc.

Topic 3: Catabolic Reactions

$200 Answer

How many molecules of ATP can be generated from the three phases in therespiration of glucose in prokaryotes?

a. 2

b. 4

c. 34

d. 38

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The pentose phosphate pathway provides a means to break down glucose and

a. five-carbon sugars.

b. six-carbon sugars.

c. lipids.

d. galactose.

Topic 3: Catabolic Reactions

$300 Question

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ANSWER

© 2013 Pearson Education, Inc.

Topic 3: Catabolic Reactions

$300 Answer

The pentose phosphate pathway provides a means to break down glucose and

a. five-carbon sugars.

b. six-carbon sugars.

c. lipids.

d. galactose.

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Topic 3: Catabolic Reactions

$400 Question

The first step in the Krebs cycle is formation of

a. lactic acid.

b. pyruvic acid.

c. citric acid.

d. acetyl COA.

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ANSWER

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Topic 3: Catabolic Reactions

$400 Answer

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The first step in the Krebs cycle is formation of

a. lactic acid.

b. pyruvic acid.

c. citric acid.

d. acetyl COA.

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Topic 3: Catabolic Reactions

$500 Question

In aerobic respiration, what is the fate of thepyruvic acid produced in glycolysis?

a. It is catabolized in glycolysis.

b. It is reduced to lactic acid.

c. It is oxidized in the Krebs cycle.

d. It is oxidized in the electron transport chain.

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ANSWER

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Topic 3: Catabolic Reactions

$500 Answer

In aerobic respiration, what is the fate of thepyruvic acid produced in glycolysis?

a. It is catabolized in glycolysis.

b. It is reduced to lactic acid.

c. It is oxidized in the Krebs cycle.

d. It is oxidized in the electron transport chain.

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Topic 4: Photosynthesis

$100 Question

Where does photosynthesis take place ineukaryotic cells?

a. mitochondria

b. ribosomes

c. chloroplasts

d. lysosomes

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ANSWER

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Topic 4: Photosynthesis

$100 Answer

Where does photosynthesis take place ineukaryotic cells?

a. mitochondria

b. ribosomes

c. chloroplasts

d. lysosomes

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Topic 4: Photosynthesis

$200 Question

Photosynthesis takes place in

a. one stage.

b. two stages.

c. three stages.

d. four stages.

ANSWER

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Topic 4: Photosynthesis

$200 Answer

Photosynthesis takes place in

a. one stage.

b. two stages.

c. three stages.

d. four stages.

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Topic 4: Photosynthesis

$300 Question

In the Calvin-Benson cycle,

a. oxygen is used to synthesize sugars.

b. carbon dioxide is used to synthesize sugars.

c. ADP is formed.

d. light is required.

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ANSWER

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Topic 4: Photosynthesis

$300 Answer

In the Calvin-Benson cycle,

a. oxygen is used to synthesize sugars.

b. carbon dioxide is used to synthesize sugars.

c. ADP is formed.

d. light is required.

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Topic 4: Photosynthesis

$400 Question

When water is oxidized by green plants, what is produced?

a. oxygen

b. carbon dioxide

c. sulfur granules

d. hydrogen sulfide

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ANSWER

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Topic 4: Photosynthesis

$400 Answer

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When water is oxidized by green plants, what is produced?

a. oxygen

b. carbon dioxide

c. sulfur granules

d. hydrogen sulfide

© 2013 Pearson Education, Inc.

Topic 4: Photosynthesis

$500 Question

In cyclic photophosphorylation, the electrons

a. return to chlorophyll.

b. are incorporated in NADPH.

c. are converted to ATP.

d. are converted to glucose.

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ANSWER

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Topic 4: Photosynthesis

$500 Answer

In cyclic photophosphorylation, the electrons

a. return to chlorophyll.

b. are incorporated in NADPH.

c. are converted to ATP.

d. are converted to glucose.

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Topic 5: Metabolic Pathways

$100 Question

In order for bacteria to synthesize glycogen, a molecule of ATP is added to glucose 6-phosphate to form

a. uridine diphosphoglucose.

b. fructose 6-phosphate.

c. adenosine diphosphoglucose.

d. UDP-N-acetylglucosamine.

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ANSWER

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Topic 5: Metabolic Pathways

$100 Answer

In order for bacteria to synthesize glycogen, a molecule of ATP is added to glucose 6-phosphate to form

a. uridine diphosphoglucose.

b. fructose 6-phosphate.

c. adenosine diphosphoglucose.

d. UDP-N-acetylglucosamine.

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Topic 5: Metabolic Pathways

$200 Question

Dihydroxyacetone phosphate, used to deriveglycerol, is taken from

a. the Krebs cycle.

b. glycolysis.

c. the electron transport chain.

d. the Calvin-Benson cycle.

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ANSWER

© 2013 Pearson Education, Inc.

Topic 5: Metabolic Pathways

$200 Answer

Dihydroxyacetone phosphate, used to deriveglycerol, is taken from

a. the Krebs cycle.

b. glycolysis.

c. the electron transport chain.

d. the Calvin-Benson cycle.

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Topic 5: Metabolic Pathways

$300 Question

If an amine group comes from a preexisting amino acid, the process is called

a. beta-oxidation.

b. amination.

c. transamination.

d. beta-reduction.

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ANSWER

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Topic 5: Metabolic Pathways

$300 Answer

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If an amine group comes from a preexisting amino acid, the process is called

a. beta-oxidation.

b. amination.

c. transamination.

d. beta-reduction.

© 2013 Pearson Education, Inc.

The five-carbon sugars of nucleotides arederived from either the ______ or ______.

a. pentose phosphate pathway; Entner-Doudoroff pathway

b. pentose phosphate pathway; the Krebs cycle

c. Entner-Doudoroff pathway; glycolysis

d. glycolysis; the Krebs cycle

Topic 5: Metabolic Pathways

$400 Question

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ANSWER

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Topic 5: Metabolic Pathways

$400 Answer

The five-carbon sugars of nucleotides arederived from either the ______ or ______.

a. pentose phosphate pathway; Entner-Doudoroff pathway

b. pentose phosphate pathway; the Krebs cycle

c. Entner-Doudoroff pathway; glycolysis

d. glycolysis; the Krebs cycleBACK TO GAME

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Topic 5: Metabolic Pathways

$500 Question

Metabolic pathways that function in bothanabolism and catabolism are called _____pathways.

a. anacatab

b. reversible

c. redox

d. amphibolic

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ANSWER

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Topic 5: Metabolic Pathways

$500 Answer

Metabolic pathways that function in bothanabolism and catabolism are called _____pathways.

a. anacatab

b. reversible

c. redox

d. amphibolic

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FINAL ROUND Question

In glycolysis, for each molecule of glucose that is oxidized, there is a net gain of _____ molecules of ATP.

a. two

b. four

c. six

d. eight

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ANSWER

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FINAL ROUND Answer

In glycolysis, for each molecule of glucose that is oxidized, there is a net gain of _____molecules of ATP.

a. two

b. four

c. six

d. eight

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