Catabolism Flashcards

(30 cards)

1
Q

Biochemical reactions leading to energy conservation (usually ATP) by the cell

A

Catabolic Reactions (Catabolism)

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2
Q

Form of anaerobic catabolism in which organic compounds both donate electrons and accept electrons, and redox balanced is achieved

A

Fermentation

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3
Q

Form of aerobic and anaerobic catabolism in which an organic or inorganic electron donor is oxidized with O2 or some other compounds

A

Respiration

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4
Q

True or false

Any metabolic process that leads to the uptake of oxygen and release of CO2 is considered respiration

A

True

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5
Q

A biochemical pathway in which glucose is oxidized to pyruvate which is either used in respiration or fermentation

A

Glycolysis

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6
Q

Type of catabolic reaction that yields lactate, ethanol,

A

Fermentation

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7
Q

Glycolysis is also called as

A

Emben-Meyerhof-Parnas Pathway

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8
Q

Stage of glycolysis in which preparatory reactions happen. These reactions are not redox and do not release but instead forms a key intermediate in the pathway

A

Stage I

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9
Q

Stage of glycolysis where redox reactions occur, energy is conserved, and two molecules of pyruvate are formed

A

Stage II

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10
Q

Redox balance is achieved and fermentation products are formed

A

Stage III

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11
Q

A cyclical series of reactions resulting in the conversion of acetate to two molecules of CO2

A

Citric Acid Cycle

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12
Q

Citric Acid Cycle is also called as

A

Tricarboxylic acid cycle or Krebs Cycle

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13
Q

A modification of the citric acid cycle in which isocitrate is cleaved to form succinate and glyoxylate during growth on two-carbon electron donors such as acetate

A

Glyoxylate cycle

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14
Q

The process where oxaloacetate regenerates from malate to maintain an acceptor for the citric acid cycle is called

A

Glyoxylate cycle

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15
Q

True or false

Oxaloacetate is also an important intermediate because it can be converted to phosphoenolpyruvate (a precursor glucose) if necessary

A

True

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16
Q

This enzyme is important because it provides the raw material for fatty acid biosynthesis

17
Q

A form of respiration in which oxygen is absent and alternative electron acceptors are reduced

A

Anaerobic respiration

18
Q

Electron acceptors used in anaerobic respiration

A

Nitrate
Ferric iron
Sulfate
Carbon Dioxide
Fumarate (succinate)

19
Q

The sum of all biosynthetic reactions in the cell. Biosynthesis of cell components from smaller precursors

A

Anabolic Reactions (Anoblism)

20
Q

Are synthesized from activated forms of glucose either uridine diphosphoglucose or adenosine diphosphoglucose

A

Polysaccharide Bionsynthesis

21
Q

True or false

Polysaccharides are biosynthesized by adding activated glucose to a preexisting polymer fragment

22
Q

Biosynthesis of glucose, uses phophoenolpyruvate one of the intermediates of glycolysis

23
Q

Are formed by the removal of one carbon atom from a hexose, typically as CO2

A

Pentose Metabolism

24
Q

Major pathway for pentose production

A

Pentose Phosphate Pathway

25
They are monomers of protein
Amino Acids
26
Monomers of nucleic acids, and purines and pyrimidines
Nucleotides
27
Backbone of microbial lipids
Fatty Acids
28
True or false Lipids cab also be carbon and energy reserves
True
29
Fatty acids are biosynthesized two carbon atoms at a time by the activity of a protein called_______
Acyl Carrier Protein (ACP)
30
What is the role of the Citric Acid Cycle
1. Glucose respiration coupled to energy conversion 2. Biosynthesis of key metabolites