[G] Chapter 7 Review Questions

Pregunta	Respuesta
Aerobic cellular respiration cannot occur without _____.	Oxygen
The C6H12O6 + 6O2 --> 36/38 ATP + 6CO2 +6 H20 reaction represents _____.	Aerobic cellular respiration
The energy efficiency of the aerobic cellular respiration reaction is _____.	About 40% which is more efficient than most conversion rates
NAD is _____.	a coenzyme
The molecule NAD _____. (Accepts)	Accepts electrons and hydrogen atoms
Which statement is true when NAD becomes NADh? NAD has _____. 1. Become Oxidized 2. Been Reduced 3. Lost Electrons 4. Lost Hydrogen Atoms	2 . Been reduced
Which statement is false regarding NAD? 1. It acts as a coenzyme 2. It contains the vitamin niacin. 3. It works in conjunction with dehydrogenases 4. It can accept hydrogen atoms 5. It cannot be used over and over again	5. It cannot be used over and over again
FAD and NAD are both _____.	Adenine dinucleotides
Glycolysis is _____ while the prep reaction, citric acid cycle, and ETC are _____.	Anaerobic, aerobic
The order of the major pathways and reactions of aerobic cellular respiration are _____.	Glycolysis, prep reaction, citric acid cycle, electron transport chain
Which of the following is not part of the aerobic cellular respiration pathway? 1. Glycolysis 2. Citric Acid Cycle 3. Calvin Cycle 4. ETC 5. Prep Reaction	3. Calvin Cycle
Glycolysis _____. (ATP)	Produces a net gain of two ATP
Glycolysis _____. (Location/Oxygen)	Takes place outside the mitochondria and does not use oxygen.
Glycolysis is likely to have evolved before the Citric Acid Cycle and ETC because _____.	It is found in all living organisms.
During glycolysis _____. (Location)	The reactions occur in the cytoplasm.
The starting molecule for glycolysis is _____.	Glucose
Which of the following is needed for glycolysis to occur? 1. ADP 2. Glucose 3. NAD 4. ATP 5. 2,3,4	5. 2,3,4 (Glucose, NAD, ATP)
Which is a correct association of mitochondrion structure and respiration? 1. Matrix :: ETC 2. Cristae :: Prep Reaction 3. Matrix :: Citric Acid Cycle 4. All Correct 5. None correct	3. Matrix :: Citric Acid Cycle
Fermentation _____. (Products)	Produces a net of two ATP.
Compared to aerobic respiration, fermentation ______. (Need)	Is essential to humans when we need a rapid burst of energy.
Muscles undergo fermentation when _____.	No oxygen is available
Breathing heavily after running is your body's way of _____.	Repaying oxygen debt
The critical factor driving yeasts to use fermentation to metabolize sugar is _____.	The lack of oxygen
What happens to the lactate that is the result of fermentation in the muscles? 1. It triggers ongoing heavier breathing to provide oxygen for muscles. 2. much of the lactate is transported to the liver where it is converted to pyruvate. 3. Some lactate converted to pyruvate is converted back to glucose 4. Some lactate converted to pyruvate is completely respired 5. All of the above	5. All of the above
One cause of muscle soreness is _____.	Lactic acid fermentation
Pyruvate is converted to a 2 carbon acetyl to coenzyme A (CoA) and CO2 is given off, thus connecting glycolysis to the citric acid cycle.	The prep reaction
Which is NOT correct about the prep reaction? 1. It connects glycolysis to the Citric Acid Cycle. 2. CO2 is given off. 3. Pyruvate is converted to a 2 carbon acetyl group 4. NAD+ goes to NADH+H as acetyl CoA forms. 5. The reaction occurs once per glucose molecule.	5. The reaction occurs once per glucose molecule.
The molecule that is found at the beginning and end of the citric acid cycle is _____.	Citric Acid
Which pathway in aerobic respiration will produce ATP, NADH2 and carbon dioxide?	Citric acid cycle
Which of the following will produce CO2 in aerobic cellular respiration? 1. Glycolysis 2. Prep reaction 3. Citric acid cycle 4. ETC 5. Both 2 and 3	5. Both 2 and 3
Which of the following statements is NOT true? 1. The end product of glycolysis is pyruvate. 2. The citric acid cycle begins and ends with pyruvate. 3. NADH2 will eventually produce 3 ATP. 4. Aerobic respiration of glucose has only 3 major sub pathways 5. Aerobic respiration uses oxygen and releases carbon dioxide	2. The Citric acid cycle begins and ends with pyruvate.
For the complete respiration of one molecule of glucose, the citric acid cycle must turn a total of _____.	Two times
In the citric acid cycle _____. (Product)	CO2 is formed
Which of the following is NOT a product, or end result, of the citric acid cycle? 1. Carbon Dioxide 2. Pyruvate 3. NADH+H 4. ATP 5, FADH2	2. Pyruvate
The number of ATPs produced directly as a result of two turns of the citric acid cycle is _____.	2
The greatest contributor of electrons to the ETC is _____.	Citric Acid Cycle
The ETC functions within the _____.	Mitochondria
The final receptor for hydrogen ions in aerobic cellular respiration is _____.	Oxygen
How could we slow down the ETC's production of ATP?	1. Limit the amount of oxygen 2. Reduce ADP available by reducing ATP use 3. Reduce synthesis of NAD and FAD 4. Add NADH reductase inhibitor
Which molecules pass high-energy electrons into the ETC?	NADH and FADH2
The carriers of the ETC are located _____.	On the cristae of the mitochondria.
The largest number of ATP molecules are produced in which part of the respiration reaction?	ETC
What is the name of the process that adds the third phosphate to an ADP molecule using the flow of hydrogen ions?	Chemiosmosis
Glucose breakdown yields about ____% of the energy of glucose in ATP molecules.	40

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