Micro Chapter 5 Question Preview (ID: 61845)
Energy.
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What are the tiny disk like structures in chloroplasts that contain chlorophyll?
a) Calvin cycle
b) NADPH
c) Thylakoid
d) RuBisCo
The product(s) of the light-dependent reaction of photosynthesis is/are
a) ATP only
b) NAPH only
c) O2 only
d) All of these
During the cyclic reaction of the light dependent photosystem, this/these are produced
a) ATP only
b) NADPH only
c) O2 only
d) All of these
Where is the energy used in photosynthesis obtained?
a) Oxygen
b) Sugar
c) ATP
d) Light
Carbon dioxide is released during which of the following stages of cellular respiration?
a) Synthesis of NAD+
b) Kreb cycle
c) Oxidative phosphorylation
d) Glycolysis
Which process produces alcohol or lactate?
a) Fermentation
b) Citric acid cycle
c) Electron transport chain
d) Glycolysis
Increasing the temperature of a reaction will do all of the following EXCEPT
a) increase the reaction rate.
b) increase the activation energy.
c) increase the number of molecular collisions.
d) All of these are true
Which of the following statements regarding the Entner-Doudoroff pathway is TRUE?
a) It involves glycolysis.
b) It involves the pentose phosphate pathway.
c) NADH and ATP are generated.
d) NADH is generated, but not ATP.
The advantage of the pentose phosphate pathway is that it produces all of the following EXCEPT
a) NADPH.
b) precursors for the synthesis of amino acids.
c) precursors for the synthesis of glucose.
d) three ATPs.
Which of the following is the best definition of oxidative phosphorylation?
a) A proton gradient allows hydrogen ions to flow back into the cells through transmembrane protein channels, releasing energy t
b) Electrons are passed through a series of carriers to an organic compound.
c) ATP is directly transferred from a substrate to ADP.
d) None of these
What is the fate of pyruvic acid in an organism that uses aerobic respiration?
a) It is reduced to lactic acid.
b) It reacts with oxaloacetate to form citrate.
c) It is converted into acetyl CoA.
d) It is oxidized in the electron transport chain.
The light-independent reaction of photosynthesis us ATP, NADPH, and CO2 to make sugars/carbs
a) True
b) False
c)
d)
Enzymes increase the speed of a chemical reaction by
a) Lowering the energy of activation
b) Increasing the energy of activation
c) Increasing the frequency of collisions of the reactants
d) Decreasing the frequency of collisions of the reactants
In the Calvin-Benson cycle,
a) ATP is formed
b) Light is required
c) Carbon dioxide is used to synthesize sugars
d) Oxygen is used to synthesize sugars
In cyclic photophosphorylation, the electrons
a) Are incorporated in NADPH
b) Return to chlorophyll
c) Are converted to ATP
d) Are converted to glucose
ETC (electron transport chain) in eukaryotes occurs on the cristae in the mitochondria, while in prokaryotes the enzyme complexes are located on the plasma membrane.
a) True
b) False
c)
d)
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