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Bio 156 Exam 3 Ch 7 Cellular Respiration Questions and Answers
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Bio 156 Exam 3 Ch 7 CellularRespiration Questions and Answers
True or false: Aerobic respiration produces more ATP than anaerobic respiration. -
Answer -True
True or false: The process of cellular respiration is concerned with the production of
ADP. - Answer -False
During cellular respiration one glucose molecule is broken down to - Answer -
6CO2+6H2O
The electron carrier that can accept two hydrogen ions and two electrons is
abbreviated__________ , and is also known as flavin adenine dinucleotide. - Answer -
FAD
During a typical basketball game, a player undergoes periods of intense activity,
switching between methods of respiration. The muscles rely largely upon ________
metabolism when oxygen is depleted and on_________metabolism once oxygen is
restored. - Answer -anaerobic, aerobic
The production of heat is decreased by coupling the breakdown of glucose to - Answer -
ATP synthesis.
Which of the following is a product of cellular respiration? - Answer -carbon dioxide
Cellular respiration is an aerobic process that requires oxygen and gives off carbon
dioxide; it usually involves the complete breakdown of _________. - Answer -glucose
Which two of the following can a molecule of FAD pick up? - Answer -two electrons
two hydrogen ions
By coupling the release of energy from the breakdown of glucose to the synthesis of
ATP, - Answer -the amount of energy lost as heat is reduced.
Select the option that is a product of cellular respiration. - Answer -ATP
Anaerobic is a term that can be used to describe two of the following options. Select
those two. - Answer -lacking oxygen
, glycolysis
True or false: FAD is an electron carrier that accepts two electrons and two hydrogen
ions, resulting in FADH2. - Answer -True
The breakdown of glucose into two pyruvate molecules is called - Answer -glycolysis.
The coenzyme NAD+ is___________ , since it receives two electrons, as the substrate
glucose is oxidized during cellular respiration. - Answer -reduced
Select the product(s) of glycolysis. - Answer -two pyruvate.
two ATP (net).
Which stages of cellular respiration produce carbon dioxide? - Answer -citric acid cycle
preparatory reaction
The two parts of cellular respiration which must occur twice for each glucose molecule
that enters the process are - Answer -the citric acid cycle.
the preparatory steps.
The electron transport chain starts with _______ energy electrons and ends with
______ energy electrons. - Answer -high: low
The electron carrier that can pick up two electrons and a hydrogen ion is abbreviated
______. - Answer -NAD+
If oxygen gas is not available in a cell, pyruvate will undergo _________ since aerobic
cellular respiration cannot occur. - Answer -fermentation
glycolysis
2ATP, NADH, H+
preparatory steps
CO2, NADH, H+
citric acid cycle
2 ATP, NADH, H+, FADH, CO2
electron transport
32 ATP to 34 ATP - Answer -
During cellular respiration, the first CO2 is generated during _______ and the remaining
carbons are given off as CO2 during _____. - Answer -the preparatory steps: the citric
acid cycle
Select the two phases of cellular respiration during which CO2 is given off. - Answer -
the preparatory steps
the citric acid cycle
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