L10 ATP and Redox Reactions

Mer Scott
Quiz by Mer Scott, updated more than 1 year ago
Mer Scott
Created by Mer Scott almost 4 years ago
11
2

Description

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.

Resource summary

Question 1

Question
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.
Answer
  • work
  • Energy coupling
  • release
  • absorb

Question 2

Question
Which process is ATP NOT involved in?
Answer
  • Neurotransmission
  • RNA synthesis
  • Transport
  • Cell linking

Question 3

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

Question 4

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

Question 5

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

Question 6

Question
ATP hydrolysis cools the surrounding environment.
Answer
  • True
  • False

Question 7

Question
ATP is recyclable.
Answer
  • True
  • False

Question 8

Question
Which statement about the ATP cycle is CORRECT?
Answer
  • 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.

Question 9

Question
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.
Answer
  • catabolic
  • anabolic
  • chemical energy
  • mechanical energy
  • aerobically
  • anaerobically
  • glucose

Question 10

Question
Which of the following statements about cellular respiration is CORRECT?
Answer
  • 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.

Question 11

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

Question 12

Question
Cellular respiration harvests usable energy in a series of controlled steps.
Answer
  • True
  • False
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