48) In its mechanism, photophosphorylation is most similar to A) substrate-level

Question

48) In its mechanism, photophosphorylation is most similar to A) substrate-level phosphorylation in glycolysis B) oxidative phosphorylation in cellular respiration C) the Calvin cycle D) reduction of NADP+ 49) What is the primary function of the Calvin cycle? A) use NADPH to release carbon dioxide B) split water and release oxygen C) transport RuBP out of the chloroplast D) synthesize simple sugars from carbon dioxide 50) In the process of carbon fixation, RuBP attaches a CO2 to produce a six-carbon molecule, which is then split to and reduc tion produces glyceraldehyde 3- produce two molecules of 3-phosphoglycerate. After phosphorylation phosphate (G3P), what more needs to happen to complete the Calvin cycle? A) addition of a pair of electrons from NADPH B) regeneration of ATP from ADP C) regeneration of RuBP D) regeneration of NADP+

Explanation / Answer

ANSWER 48)
B) oxidative phosphorylation in cellular respiration - this is because the electron accumulation and membrane holding key proteins and enzymes structure is common.

ANSWER 49)
D) synthesize simple sugars from carbon dioxide

ANSWER 50)
C) Regeneration of RuBP - via Ribulose 5-phosphate as intermediate and using ATP as energy source

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