Which of thfollowing is most descriptivof an electron transport chain?
A) It generates energy from nothing.
B) It is a mechanism used by cells to dispose of unused electrons.
C) It transfers electron energy, stepwise, from one compound to another.
D) It transfers energy, stepwise, from one compound to another.
E) It requires activation by sunlight.
Correct Answer:
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Q29: Thproducts of light-dependent reactions of photosynthesis
A)are used
Q30: At thenof thelectron transfer chain, thfinal electron
Q31: Which of thfollowing molecules is (are) formeat
Q32: When light excites chlorophyll, thchlorophyll molecules
A)change to
Q33: Thmembranthat forms a compartment insidthstroma is the
A)thylakoid.
B)mitochondrion.
C)lamella.
D)plastid.
E)tracheid.
Q35: Photosystems armainly
A)a grouping of energy-trapping molecules.
B)enzymes for
Q36: Plant cells producoxygen gas
A)by splitting carbon dioxide.
B)during
Q37: Which of thfollowing pigments is NOT reflecteby
Q38: Thoxygen releasein photosynthesis comes from
A)carbon dioxide.
B)glucose.
C)water.
D)an unknown
Q39: Which of thfollowing is NOT associatewith thlight-dependent
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