Cellular Respiration

Descripción

Review of cellular respiration
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Resumen del Recurso

Pregunta 1

Pregunta
Which molecule in this reaction is oxidized?
Respuesta
  • Glucose
  • Oxygen
  • Carbon dioxide
  • Water

Pregunta 2

Pregunta
In this reaction, electrons are transferred directly from glucose to oxygen.
Respuesta
  • True
  • False

Pregunta 3

Pregunta
In this series of reactions, NAD+ is oxidized.
Respuesta
  • True
  • False

Pregunta 4

Pregunta
In aerobic respiration, what is the ultimate fate of the electrons NADH is carrying?
Respuesta
  • They are transferred to oxygen.
  • They are transferred to glucose.
  • They are transferred to water.
  • They are transferred to ATP.

Pregunta 5

Pregunta
The letter 'A' in this diagram represents glycolysis.
Respuesta
  • True
  • False

Pregunta 6

Pregunta
The letter 'C' could represent oxygen gas.
Respuesta
  • True
  • False

Pregunta 7

Pregunta
The process that links 'A' and 'B' produces NADH and carbon dioxide.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
Process 'A' involves oxidation-reduction reactions, but process 'B' does not.
Respuesta
  • True
  • False

Pregunta 9

Pregunta
The molecule represented by the letter 'D' is most likely carbon dioxide.
Respuesta
  • True
  • False

Pregunta 10

Pregunta
The letter 'E' could represent NADH and FADH2.
Respuesta
  • True
  • False

Pregunta 11

Pregunta
In the process labeled 'F', ATP is synthesized by substrate-level phosphorylation.
Respuesta
  • True
  • False

Pregunta 12

Pregunta
If the thick yellow line in this image represents the mitochondrial membranes, what do 1 and 2 represent?
Respuesta
  • 1 is oxygen and 2 is ATP.
  • 1 is oxygen and 2 is NADH.
  • 1 is carbon dioxide and 2 is ATP.
  • 1 is carbon dioxide and 2 is NADH.

Pregunta 13

Pregunta
The substance labeled 'A' is most likely an electron.
Respuesta
  • True
  • False

Pregunta 14

Pregunta
The region labeled 'C' is the intermembrane space in the mitochondrion.
Respuesta
  • True
  • False

Pregunta 15

Pregunta
'A' represents an electron transport chain.
Respuesta
  • True
  • False

Pregunta 16

Pregunta
A phosphorylation reaction occurs at 'C'.
Respuesta
  • True
  • False

Pregunta 17

Pregunta
'E' most likely represents NADH.
Respuesta
  • True
  • False

Pregunta 18

Pregunta
'F' represents the ultimate electron donor in aerobic respiration.
Respuesta
  • True
  • False

Pregunta 19

Pregunta
In the absence of oxygen, organisms will break down pyruvate into carbon dioxide and alcohol or lactic acid. These pathways allow for
Respuesta
  • the production of more ATP than in the presence of oxygen
  • the regeneration of NAD+ that has been depleted
  • the oxidation of water to produce needed oxygen molecules
  • a shift from respiration to photosynthesis in the cell

Pregunta 20

Pregunta
The ATP generated by glycolysis is produced by
Respuesta
  • oxidative phosphorylation
  • substrate-level phosphorylation
  • the dephosphorylation of ADP
  • pyruvate
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