Module 2: Microbial Metabolism Flashcards

1
Q

refers to the sum of all chemical reactions within a living organism, more specifically, within a cell

A

Metabolism

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2
Q

a kind of energy-balancing act that occurs within a cell, with some metabolic reactions releasing energy and other metabolic reactions requiring energy

A

Metabolism

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3
Q

what is required by the organism for growth, reproduction, sporulation, movement and the active transport of substances across membranes.

A

energy

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4
Q

any molecule that is a nutrient, an intermediary product, or the end product in a metabolic reaction

A

Metabolite

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5
Q

what are the 2 Classes of Chemical Reactions

A

Anabolic Reaction

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6
Q

a chemical reaction that us energy-consuming

A

Anabolic Reaction

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7
Q

a process that utilize energy stored in ATP to synthesize and assemble the subunits or building blocks of macromolecules that make up the cell

A

Anabolic Reaction

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8
Q

what do anabolic reaction need in order to form ATP

A

energy

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9
Q

a chemical reaction that is Energy-yielding

A

Catabolic reaction

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10
Q
  • the chemical reaction that breaks down complex organic compounds with the release of energy and is stored in ATP.
A

catabolic reaction

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11
Q

what reaction is the cell’s major source of energy

A

catabolic reaction

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12
Q

what is the difference between catabolic and anabolic reaction

A

anabolic - requires energy to produce ATP and to construct molecules from smaller units
catabolic - breakdowns complex organic compounds with the release of energy and stored in atp; produces energy for anabolic use

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13
Q

what are the energy sources that function as electron donor

A
  • Energy sources (electron donor): Glucose, Elemental Sulfur, Ammonia, Hydrogen gas or light
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14
Q

when oxygen serves as the final electron acceptor.

A
  • Aerobic respiration
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15
Q

inorganic substances such as NO3 or SO4 ions serve as the final electron acceptor

A
  • Anaerobic respiration
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16
Q

organic compounds serve as the final hydrogen acceptor.

A
  • Fermentation
17
Q

serves as the main carbohydrate source for bacteria

A
  • Glucose
18
Q

what are the degradation pathways

A
  1. Embden-Meyerhoff Parnas Pathway (EMP)
  2. Entner-Duodoroff Pathway (EDP)
  3. Warburg-Dickens Hexose Monophosphate Pathway (HMP)
19
Q
A
20
Q
  • also called Glycolytic or Anaerobic Pathway or Fermentative Pathway
A

Embden-Meyerhoff Parnas Pathway (EMP)

21
Q
  • used primarily by anaerobic bacteria and to some degree by facultative anaerobic bacteria as well
A

Embden-Meyerhoff Parnas Pathway (EMP)

22
Q

steps for Embden-Meyerhoff Parnas Pathway (EMP)

A

GLUCOSE > Glucose 6-phosphate > fructure 6- phosphate > fructose 1.6-phosohte > 1,3 phosphoglycerate > Pyruvic acid
= 2H > Lactic acid
= 2H > mixed acids

23
Q
A