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Bio 101 - Chapter 08 - Cellular Respiration
Chapter 8 - Cellular Respiration
34
Biology
Undergraduate 1
06/22/2016

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Term
Cellular respiration is best described as a metabolic process that uses energy from:
Definition
Carbohydrates, fats, or proteins to produce ATP
Term
The products of glycolysis include:
Definition
Two pyruvate, two NADPH, and two ATP
Term
The end products of the citric acid cycle include:
Definition
FADH2, NADH, ATP, CO2
Term
Cristae
Definition
Site of the electron transport chain
Term
Matrix
Definition
Site of the prep reaction and the citric acid cycle
Term
Which of these are electron carriers required for the electron transport chain in cellular respiration?
Definition
FADH2, NADH
Term
Which of the following are produced as products during fermentation?
Definition
Lactate, CO2, Alcohol
Term
Where does the electron transport chain occur?
Definition
Inner mitochondrial membrane
Term
What are the coenzymes that function as electron carriers during cellular respiration?
Definition
FAD, NAD+
Term
After proteins are hydrolyzed into amino acids, they may enter the energy pathways at which stages?
Definition
Be convetrted into acetyl Co-A, Citric acid cycle, glycolysis
Term
During which phases of cellular respiration is CO2 produced?
Definition
Citric acid cycle, prep reaction
Term
Which electron carriers are produced during the citric acid cycle?
Definition
NADH and FADH2
Term
How many molecules of CO2 whill one molecule of glucose yield during cellular respiration?
Definition
6
Term
During glycolysis, ATP is produced via:
Definition
Substrate-level ATP synthesis (phosphorylation)
Term
The process that produces ATP using ATP synthase and the potential energy of a proton gradient:
Definition
Chemiosmotic phosphorylation
Term
Oxygen is required during aerobic respiration for the electron transport chain to remain functioning:
Definition
True
Term
The formation of ATP which occurs by transferring a phosphate group froma high energy donor molecule to ADP is called:
Definition
Substrate-level ATP synthesis (phosphorylation)
Term
After proteins are hydrolyzed into amino acids, they may enter the energy pathways at which stages?
Definition
Citric acid cycle, glycolysis, be converted to acetyl COA
Term
When pyruvate is oxidized in the preparatory reaction, ____ is reduced
Definition
NAD+
Term
Photosynthesis is catabolic.
Definition
False
Term
During fermentation, ____ is regenerated and returns to glycolysis to pick up more electrons.
Definition
NAD+
Term
Oxygen debt is _____.
Definition
The amount of oxygen needed to rid the body of lactate
Term
The final electron acceptor in the electorn transport chain is ____.
Definition
O2
Term
How many ATP molecules are produced when FADH2 delivers electrons to the electron transport chain?
Definition
2
Term
The energy released by the electron transport system produces ATP by _____
Definition
Oxidative phosphorylation
Term
A single “turn” of the Krebs cycle will yield
Definition
1 ATP, 3 NADH, and 1 FADH2
Term
The initial reaction of the Krebs cycle involves the addition of a
Definition
2 carbon molecule to a 4 carbon molecule
Term
The electrons that are transferred through the electron transport system initially belonged to
Definition
NADH and FADH2
Term
The formation of ATP as a result of the activity of the electron transport system is termed substrate-level phosphorylation.
Definition
False
Term
What is the final electron acceptor in the electron transport system, and what is formed?
Definition
oxygen; H2O
Term
What is the source of energy that directly drives ATP production in chemiosmosis?
Definition
protons flowing down their concentration gradient
Term
Where does the krebs cycle take place?
Definition
matrix
Term
How many ATPs are generated in ETC?
Definition
32-34
Term
What is the net gain (per glucose) of krebs cycle?
Definition
4 CO2, 6NADH, 2 FADH2, 2 ATP
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