L10 ATP and Redox Reactions

Descripción

Objectives: Outline the role played by ATP in powering cellular activity. Describe the mechanism of ATP formation. Outline the importance of redox reactions in cellular energy generation. Outline the role of NADH in energy transfer.
Mer Scott
Test por Mer Scott, actualizado hace más de 1 año
Mer Scott
Creado por Mer Scott hace alrededor de 7 años
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Resumen del Recurso

Pregunta 1

Pregunta
The cell needs energy to do [blank_start]work[blank_end]. [blank_start]Energy coupling[blank_end] allows exergonic processes (which [blank_start]release[blank_end] energy) to be coupled with endergonic processes (which [blank_start]absorb[blank_end] energy) so that every necessary process is facilitated.
Respuesta
  • work
  • Energy coupling
  • release
  • absorb

Pregunta 2

Pregunta
Which process is ATP NOT involved in?
Respuesta
  • Neurotransmission
  • RNA synthesis
  • Transport
  • Cell linking

Pregunta 3

Pregunta
Select the equation which BEST outlines the exergonic process of ATP hydrolysis.
Respuesta
  • ATP → ADP + Phosphate group + Energy
  • ATP → ADP + PO3 + ATP
  • ADP + Phosphate group + Energy → ATP
  • ADP → ATP

Pregunta 4

Pregunta
ATP hydrolysis does not change the energy of a system, but rather creates free energy for another process.
Respuesta
  • True
  • False

Pregunta 5

Pregunta
ATP phosphorylates molecules which would not normally react and allows endergonic processes to occur.
Respuesta
  • True
  • False

Pregunta 6

Pregunta
ATP hydrolysis cools the surrounding environment.
Respuesta
  • True
  • False

Pregunta 7

Pregunta
ATP is recyclable.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
Which statement about the ATP cycle is CORRECT?
Respuesta
  • ATP hydrolysis forms ADP and a phosphate group, as well as producing free energy for endergonic processes
  • ATP will readily reform from ADP and a phosphate group while free floating in the cytoplasm.

Pregunta 9

Pregunta
Fermentation is a [blank_start]catabolic[blank_end] process to attain chemical energy from food [blank_start]anaerobically[blank_end]. Cellular respiration is a catabolic process to attain [blank_start]chemical energy[blank_end] from food [blank_start]aerobically[blank_end], mainly from [blank_start]glucose[blank_end] in starch and carbohydrates.
Respuesta
  • catabolic
  • anabolic
  • chemical energy
  • mechanical energy
  • aerobically
  • anaerobically
  • glucose

Pregunta 10

Pregunta
Which of the following statements about cellular respiration is CORRECT?
Respuesta
  • Cellular respiration harvests energy from C-H bonds by transferring the electrons to O2.
  • Cellular respiration harvests energy from C-H bonds and transfers the electrons to O2.
  • Cellular respiration harvests energy from C-H bonds by transferring the electrons to an electron carrier like NAD.

Pregunta 11

Pregunta
Cellular respiration releases a large amount of energy in a process similar to simple combustion.
Respuesta
  • True
  • False

Pregunta 12

Pregunta
Cellular respiration harvests usable energy in a series of controlled steps.
Respuesta
  • True
  • False
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