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quiz 7

biology exam 3 quiz 7 review

QuestionAnswer
Which of the following accurately describes an aspect of photosystem II? Water is used to replenish lost electrons to photosystem II.
Carbon fixation happens during: the Calvin cycle.
When electrons flow along the electron transport chains of mitochondria, which of the following changes occur? The electrons lose free energy.
The light reactions of photosynthesis produce what molecules that are utilized by the Calvin Cycle? ATP, NADPH
The main photosynthetic pigment in plants is: Chlorophyll
Which of the following statements correctly describes a difference between autotrophs and heterotrophs? Autotrophs can nourish themselves beginning with CO2 and other inorganic nutrients, while heterotrophs cannot.
If a particular species of bacteria has 23% adenine (A) in its DNA, what percent of its DNA is guanine (G)? 27%
What two macromolecules are part of the structure of chromosomes? DNA and protein
Which of the following sequences correctly represents the flow of electrons during photosynthesis, from earlier to later? H2O, photosystem II, NADPH
The direct source of energy for ATP synthesis by the ATP synthase enzyme is: proton gradients.
Created by: josie_d
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