CELLULAR RESPIRATION
Quiz by Jayrald Cruzada
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- Q1
All of the following are functions of the citric acid cycle except
production of ATP.
production of NADH.
adding electrons and protons to oxygen, forming water.
production of FADH2.
30s - Q2
Each NADH molecule carrying protons to the electron transport chain can produce___ molecules of ATP
6
4
3
2
30s - Q3
Which of the following statements is correct?
NAD+ is reduced and becomes NADH2 when it accepts hydrogen atoms.
NAD+ is reduced and becomes NADH2 when it releases hydrogen atoms.
NADH2 is reduced to NAD when the hydrogen atoms are passed to another acceptor.
NAD+ is oxidized and becomes NADH when it accepts hydrogenand electron atoms.
30s - Q4
Which of the following is the most important thing that occurs during cell respiration?
ATP is produced
Oxygen is released
CO₂ is produced during the Krebs cycle
Protons and electrons combine with oxygen to form water
30s - Q5
All of the following are functions of the citric acid cycle except
production of NADH.
adding electrons and protons to oxygen, forming water.
production of FADH2.
production of ATP.
30s - Q6
Whichof the following statements is NOT correct about glycolysis?
During glycolysis, two NADH are produced as substrate oxidation occurs.
Glycolysis begins with glucose and ends with four pyruvate molecules.
Glycolysis uses two ATP but forms four ATP, resulting in a net gain of two ATP molecules.
Glycolysis takes place within the cytoplasm.
30s - Q7
Which of the following is a correct description of the events of cellular respiration and the sequence of events in cellular respiration?
glycolysis; reduction of pyruvate; TCA cycle; oxidative phosphorylation
oxidation of glucose to pyruvate; reduction of pyruvate; TCA cycle; oxidative phosphorylation
glycolysis; oxidative phosphorylation; TCA cycle; oxidation of pyruvate.
oxidation of glucose to pyruvate; oxidation of pyruvate; oxidation of acetyl-coA; oxidative phosphorylation
45s - Q8
Which pathway for aerobic cellular respiration is located in the cytoplasm of the cell?
glycolysis
Krebs cycle
Calvin Cycle
Electron transport system
45s - Q9
The carriers for the electron transport system are located ______.
within the cytoplasm of a cell
on the cristae of mitochondria
within the Golgi apparatus
within the matrix of mitochondria
45s - Q10
Choose the pair that is correctly matched.
Krebs cycle-cytoplasm
glycolysis-mitochondria
electron transport chain-outer compartment of mitochondria
electron transport chain-cristae membrane
45s