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Microbiology > Chapter 5 > Flashcards

Chapter 5 Flashcards

1
Q

Which of the following statements regarding bacterial metabolism is correct?

1-The quantity of ATP yield in fermentation is hugher than that of anerobic respiration.
2-in cellular respiration, ATP is generated by oxidation of organic molecules, from electron Transport chain and chemosis
3-Lactic acid is the end-product in glycolysis.
4-in the Krebs cycle, four molecules of NADH and one molecule of ATP are produced from one molecule of glucose.
5-In cellular respiration. anaerobic bacteria use organic molecules as the final electron acceptor.

A

2

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2
Q

Chemical reactions that result in the breakdown of more complex organic molecules into simpler substances + Release energy:

Catabolism
Anabolism
Metabolism

A

Catabolism

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3
Q

Chemical reactions in which simpler substances are combined to form more complex molecules +Require energy (ATP):

Catabolism
Anabolism
Metabolism

A

Catabolism
Anabolism
Metabolism

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4
Q

Which one is not type of The generation of ATP:

-Oxidative phosphorylation
-Substrate-level phosphorylation
-Photophosphorylation
-Chemiosmosis
-all of this

A

non of this

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5
Q

-Energy is released as electrons are passed to a series of electron acceptors (an electron transport chain) and finally to O2 or another inorganic compound.
-Energy released is utilized to make ATP by chemiosmosis.

Which type of ATP generation?

-Oxidative phosphorylation
-Substrate-level phosphorylation
-Photophosphorylation
-Chemiosmosis

A

Oxidative phosphorylation

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6
Q

-A high-energy phosphate from a substrate in catabolism is added to ADP

Which type of ATP generation?

-Oxidative phosphorylation
-Substrate-level phosphorylation
-Photophosphorylation
-Chemiosmosis

A

Substrate-level phosphorylation

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7
Q

-Energy from light is trapped by chlorophyll, and electrons are passed through a series of electron acceptors (an electron transport chain)
-Energy released during electron transfer is utilized to make ATP by chemiosmosis

Which type of ATP generation?

-Oxidative phosphorylation
-Substrate-level phosphorylation
-Photophosphorylation
-Chemiosmosis

A

Photophosphorylation

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8
Q

The processes that use these mechanisms:

“ATP is generated by oxidation of organic molecules, the passage of electrons down an electron transport chain, and chemiosmosis”

 Cellular respiration
 Fermentation
 Photosynthesis

A

Cellular respiration

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9
Q

The processes that use these mechanisms:

“ATP production is accomplished by substrate- level phosphorylation”

 Cellular respiration
 Fermentation
 Photosynthesis

A

Fermentation

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10
Q

The processes that use these mechanisms:

“ATP is generated by photophosphorylation”

 Cellular respiration
 Fermentation
 Photosynthesis

A

Photosynthesis

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11
Q

The final electron acceptor in Aerobic respiration?

Inorganic molecules
organic molecules
O2

A

O2

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12
Q

The final electron acceptor in Anaerobic respiration?

Inorganic molecules
organic molecules
O2

A

Inorganic molecules

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13
Q

The final electron acceptor in Fermentation?

Inorganic molecules
organic molecules
O2

A

organic molecules

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14
Q

the end-product in Glycolysis?

Inorganic molecules
organic molecules
Pyruvic acid
O2

A

Pyruvic acid

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15
Q

Two ATP and two NADH molecules are produced from one glucose molecule

formation of acetyl CoA
Glycolysis
Krebs cycle

A

Glycolysis

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16
Q

From one molecule of glucose, oxidation in the ……… produces six molecules of NADH, two molecules of FADH2, and two molecules of ATP

formation of acetyl CoA
Glycolysis
Krebs cycle

A

Krebs cycle

17
Q

Aerobic respiration:

……NADH molecules from glycolysis
……NADH molecules from formation of acetyl CoA
………NADH molecules from Krebs cycle
……Two FADH2 molecules from Krebs cycle

A

2-2-6-2

18
Q

……ATP molecules are produced from complete oxidation of a glucose molecule in glycolysis, the Krebs cycle, and the electron transport chain.

30
26
33
38
10

A

38

19
Q

Fermentation without aerobic electron transport and a complete Krebs cycle produces only……… ATP molecules per glucose

A

Two

20
Q

Quantity of ATP yield:

-Aerobic respiration (……ATP)

-Anaerobic respiration (less than…… ATP)

-Fermentation(……ATP)

A

38
38
2

Microbiology (6 decks)

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