Chapter Chapter 6: How Cells Harvest Chemical Energy
 
Activities Quiz
 

1 .       What process occurs in Box A? (Activity 6A)

question #5 [Hint]

 glycolysis
 the Citric Acid Cycle
 electron transport
 the Citric Acid Cycle and electron transport
 electron transport and glycolysis


2 .       What process occurs within Box B? (Activity 6A)

question #6 [Hint]

 glycolysis
 the Citric Acid Cycle
 electron transport
 the Citric Acid Cycle and electron transport
 electron transport and glycolysis


3 .       What molecule is indicated by the letter D? (Activity 6A)

question #7 [Hint]

 glucose
 ATP
 oxygen
 pyruvate
 water


4 .       How many NADH are produced by glycolysis? (Activity 6B) [Hint]

 1
 2
 3
 4
 5


5 .       In glycolysis, ATP molecules are produced by _____. (Activity 6B) [Hint]

 photophosphorylation
 substrate-level phosphorylation
 cellular respiration
 oxidative phosphorylation
 photosynthesis


6 .       Which of these is NOT a product of glycolysis? (Activity 6B) [Hint]

 water
 NADH + H+
 ATP
 FADH2
 pyruvate


7 .       In glycolysis, energy from _____ starts the process of glucose oxidation. (Activity 6B) [Hint]

 hexokinase
 NADPH
 ADP
 ATP
 FADH2


8 .       In glycolysis there is a net gain of _____ ATP. (Activity 6B) [Hint]

 1
 2
 3
 4
 5


9 .       Which of these enters the Citric Acid Cycle? (Activity 6C) [Hint]

 NADH + H+
 acetyl CoA
 GTP
 pyruvate
 glucose


10 .       How does pyruvate enter a mitochondrion? (Activity 6C) [Hint]

 osmosis
 phagocytosis
 pinocytosis
 exocytosis
 diffusion


11 .       In the Citric Acid Cycle, ATP molecules are produced by _____. (Activity 6C) [Hint]

 photophosphorylation
 substrate-level phosphorylation
 cellular respiration
 oxidative phosphorylation
 photosynthesis


12 .       Which of these is NOT a product of the Citric Acid Cycle? (Activity 6C) [Hint]

 ATP
 NADH + H+
 FADH2
 CO2
 acetyl CoA


13 .       For each glucose that enters glycolysis, _____ acetyl CoA enter the Citric Acid Cycle. (Activity 6D) [Hint]

 0
 1
 2
 4
 5


14 .       For each glucose that enters glycolysis, _____ NADH + H+ are produced by the Citric Acid Cycle. (Activity 6D) [Hint]

 0
 2
 3
 6
 3 to 6


15 .       In cellular respiration, most ATP molecules are directly produced by _____. (Activity 6D) [Hint]

 photophosphorylation
 substrate-level phosphorylation
 cellular respiration
 electron transport and chemiosmosis
 glycolysis


16 .       The final electron acceptor of cellular respiration is _____. (Activity 6D) [Hint]

 water
 oxygen
 FADH2
 CO2
 NADH


17 .       During electron transport, energy from _____ is used to pump hydrogen ions into the _____. (Activity 6D) [Hint]

 NADH and FADH2 ... intermembrane space
 NADH and FADH2 ... mitochondrial matrix
 NADH ... intermembrane space
 NADH ... mitochondrial matrix
 acetyl CoA ... intermembrane space


18 .       Structure A is _____. (Activity 6D)

question #22 [Hint]

 an electron donor
 ATP synthase
 phospholipid
 sensory protein
 an electron acceptor


19 .       ATP synthase uses _____ to add a phosphate to ADP. (Activity 6D) [Hint]

 kinetic energy that is released as hydrogen ions diffuse down their concentration gradient
 substrate-level phosphorylation
 NADH and FADH2
 pyruvate
 ATP


20 .       In muscle cells, fermentation produces _____. (Activity 6E) [Hint]

 pyruvate (pyruvic acid)
 carbon dioxide, ethanol, NAD+, and ATP
 carbon dioxide, ethanol, NADH, and ATP
 carbon dioxide, lactate (lactic acid), NAD+, and ATP
 carbon dioxide, lactate (lactic acid), NADH, and ATP


21 .       In fermentation _____ is reduced and _____ is oxidized. (Activity 6E) [Hint]

 lactate (lactic acid) ... NADH
 NAD+ ... pyruvate (pyruvic acid) that has lost one carbon
 pyruvate (pyruvic acid) that has lost one carbon ... NADH
 lactate (lactic acid) ... ethanol
 NADH ... lactate (lactic acid)