KNES 323 Study Guide - Adenine, Ethanol Fermentation, Lysosome
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QUESTION 1
Which of the following is the correct order of the three stages of cellular respiration?
a. | Krebs cycle, glycolysis, electron transport | |
b. | electron transport, glycolysis, Krebs cycle | |
c. | Krebs cycle, electron transport, glycolysis | |
d. | glycolysis, Krebs cycle, electron transport | |
e. | electron transport, Krebs cycle, glycolysis |
1 points
QUESTION 2
Consider a bacterial cell that performs anaerobic respiration. If that bacterial cell had access to six molecules of glucose to use, how many ATP molecules would it be able to produce?
a. | 2 | |
b. | 34 | |
c. | 36 | |
d. | 6 | |
e. | 12 |
1 points
QUESTION 3
The oxygen that organisms need to live is used exclusively in which of the following metabolic pathways?
a. | Electron transport chain | |
b. | Anaerobic respiration | |
c. | Glycolysis | |
d. | Krebs cycle | |
e. | ATP-Synthase |
1 points
QUESTION 4
The electron transport chain uses the energy in NADH and FADH2 to pump H+ ions from the matrix to the innermembrane space. The H+ gradient is then used to power ATP-Synthase. Enough H+ is pumped from the energy in a molecule of NADH to produce ______ ATP molecules, while enough H+ is pumped from the energy in a FADH2 molecule to produce ______ ATP molecules.
a. | three; two | |
b. | three; three | |
c. | two; two | |
d. | two; three |
1 points
QUESTION 5
Which of the following list contains only products of cellular respiration?
a. | glucose, oxygen, ADP | |
b. | ATP, carbon dioxide | |
c. | oxygen, ADP, carbon dioxide | |
d. | ATP, glucose, oxygen | |
e. | glucose, ATP |
1 points
QUESTION 6
What powers the enzyme ATP-Synthase?
a. | NADH molecules | |
b. | oxygen (O2) | |
c. | ATP | |
d. | NADH and FADH2 molecules | |
e. | The H+ gradient between the matrix and inner-membrane space |
1 points
QUESTION 7
Organisms exist which are able to survive using only glycolysis (i.e. without using oxidative phosphorylation).
True
False
1 points
QUESTION 8
Each ADP molecule contains ________ phosphates, and each ATP molecule contains ________ phosphates.
a. | three; three | |
b. | two; two | |
c. | one; two | |
d. | two; three | |
e. | one; three |
1 points
QUESTION 9
Adding a phosphate group to ADP to form ATP is an endergonic reaction.
True
False
1 points
QUESTION 10
The majority of ATP produced during cellular respiration is produced during glycolysis.
True
False
1 points
QUESTION 11
Glycolysis occurs:
a. | on enzymes located in the inner-membrane. | |
b. | in the cytosol. | |
c. | in the inner-membrane space. | |
d. | in the nucleus of the cell. | |
e. | in the matrix of mitochondria. |
1 points
QUESTION 12
Muscle soreness associated with strenuous exercise is due to:
a. | the production of alcohol during anaerobic respiration. | |
b. | a buildup of lactic acid. | |
c. | an excessive amount of ATP that builds up during exercise. | |
d. | the large amounts of CO2 building up in the muscle. |
1 points
QUESTION 13
A required reactant for glycolysis is:
a. | the electron transport chain. | |
b. | carbon dioxide. | |
c. | oxygen. | |
d. | NAD+. | |
e. | mitochondria. |
1 points
QUESTION 14
NADH is produced in all of the following except:
a. | the electron transport chain. | |
b. | the Krebs cycle. | |
c. | glycolysis. |
Fill in the blank in the following table:
metabolic cycle | location pro/ eukaryote | components | substrates | products | pathway purpose |
embden- meyerhof- parnas (glycolysis) | cytoplasm/ cytoplasm | 10 enzymes | |||
pentose phosphate pathway | cytoplasm/ cytoplasm | dozen enzyme | 1 Glucose (6 carbon), 1 NADP, 1ATP | 1 Ribose-P (5 carbon) + 1CO2, 1NADPH, or sugars, 1 ADP | Nucleotide synthesis, NADPH for anabolism |
PDH reaction | cytoplasm/ mitochondria matrix | ||||
TCA/ Krebs/ citric acid cycle | generation of high energy electron carriers, provide metabolic precursors | ||||
Electron transport chain + ATP synthase (aerobic respiration) | |||||
Electron transport chain + ATP synthase (anaerobic respiration) | 1Nitrate or sulfate or CO2, 1NADH + ____ ADP Or 1FADH2+ ____ ADP | N2, or NO2 or H2S or CH4 1NAD + ____ ATP Or 1FADH2+ ____ ATP | Generate proton motive forces abd use to generate ATP regenerate NAD+ | ||
Fermentation | cytoplasm/ cytoplasm | 1 or more enzymes (vary by organism) | 1 pyruvate, 1 NADH | 1 alcohol or acid (maybe 1 CO2) NAD+ | Regenerate NAD+ |