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339201
Metabolism Quiz
Description
Human Physiology 101 (The Metabolic System) Quiz on Metabolism Quiz, created by bethanylhann on 07/11/2013.
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human physiology 101
the metabolic system
human physiology 101
the metabolic system
Quiz by
bethanylhann
, updated more than 1 year ago
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bethanylhann
almost 11 years ago
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Resource summary
Question 1
Question
Which of the following is a statement of the first law of thermodynamics?
Answer
Energy cannot be created or destroyed
Entropy is always decreasing
Entropy of the universe is constant
Kinetic energy is stored energy that results from the specific arrangement of matter
Energy cannot be transferred or transformed
Question 2
Question
Which of the following is a statement of the first law of thermodynamics?
Answer
Energy cannot be created or destroyed
Entropy is always decreasing
Entropy of the universe is constant
Kinetic energy is stored energy that results from the specific arrangement of matter
Energy cannot be transferred or transformed
Question 3
Question
During the electron transport chain, H2O is formed. Where does the oxygen for the synthesis of the water come from?
Answer
carbon dioxide (CO2)
glucose (C6H12O6)
molecular oxygen (O2)
pyruvate (C3H3O3)
lactate (C3H5O3 -)
Question 4
Question
During the electron transport chain, H2O is formed. Where does the oxygen for the synthesis of the water come from?
Answer
carbon dioxide (CO2)
glucose (C6H12O6)
molecular oxygen (O2)
pyruvate (C3H3O3)
lactate (C3H5O3 -)
Question 5
Question
Which of the following statement about alcohol / lactic acid fermentation is incorrect?
Answer
Oxygen is not the terminal electron acceptor.
NAD+ produced during fermentation can be reused during glycolysis to generate ATP.
Oxygen is the terminal electron acceptor.
Processes require another electron acceptor to replace oxygen.
Fermentation allow the cell to oxidize NADH back to NAD+ in the absence of oxygen.
Question 6
Question
Which of the following statements about ATP is correct?
Answer
The key to how ATP stores energy is in the diphosphate.
The phosphate groups are highly positively charged, therefore they repel each other.
The bonds between the phosphate groups are stable, having a positive ΔG
The bonds between the phosphate groups are easily broken by a condensation relation
None of the above
Question 7
Question
The oxidative phosphorylation involves:
Answer
the flow of protons across the inner mitochondrial membrane down their concentration gradient.
the flow of electrons through a large enzyme called ATP synthase.
the flow of electrons through the electron transport chain proteins located in the outer mitochondrial membrane.
the flow of protons across the outer mitochondrial membrane down their concentration gradient.
generating potential energy in the form of a pH gradient between the mitochondrial matrix and the cell cytoplasm.
Question 8
Question
How is ATP produced by glycolysis?
Answer
Through the priming reactions
Through the production of glyceraldehyde-3-phosphate
By substrate-level phosphorylation
As a result of the reduction of NAD+ to NADH
By oxidative phosphorylation
Question 9
Question
Which of the following is a correct definition of catabolism?
Answer
set of chemical reactions that occur in living organisms in order to maintain life
set of metabolic pathways which breakdown molecules into smaller units and release energy
set of metabolic pathways that construct molecules from smaller units
process by which the body breeaks down food so it can be absorbed by the blood stream
Question 10
Question
Place the following processes in the correct order
Answer
Electron Transport Chain,Pyruvate oxidation, Citric Acid Cycle, Glycolysis, Chemiosmosis
Glycolysis, Pyruvate oxidation, Citric Acid Cycle, Electron Transport Chain, Chemiosmosis
Glycolysis, Electron Transport Chain, Citric Acid Cycle,Pyruvate oxidation, Chemiosmosis
Pyruvate oxidation, Glycolysis, Chemiosmosis, Citric Acid Cycle, Electron Transport Chain
Question 11
Question
When NAD+ becomes NADH it has been ? When FADH2 becomes FAD it has been?
Answer
Transformed, Transformed
Oxidised, Oxidised
Reduced, Reduced
Oxidised, Reduced
Reduced, Oxidised
Question 12
Question
What is the goal of cellular respiration?
Answer
To use ATP
To release ATP
To conserve ATP
To produce ATP
To transform ATP
Question 13
Question
Which step of which process is rate limiting?
Answer
3, Glycolysis
7, Citric Acid Cycle
6, Glycolysis
4, Electron Transport Chain
2, Chemiosmosis
Question 14
Question
Pyruvate oxidation moves pyruvate from where to where?
Answer
Mitochondria, Cytoplasm
Matrix of Mitochondria, Lumen of Mitochindria
Cytoplasm, Extracellular fluid
Cytoplasm, Mitochondria
Pyruvate oxidation doesn't move pyruvate anywhere
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