Bio 201 Exam 3 Study Guide UPDATED Exam Questions and CORRECT Answers

Bio 201 Exam 3 Study Guide UPDATED
Exam Questions and CORRECT Answers
stroma - CORRECT ANSWER - chloroplast interior



thylakoid - CORRECT ANSWER - photosynthetic sub-organelle in chloroplast (grana)



lumen - CORRECT ANSWER - thylakoid interior



why do plants need oxygen? - CORRECT ANSWER - plants rely on oxygen for aerobic
respiration (ATP); except CO2 reduction


2 steps for photosynthesis - CORRECT ANSWER - light dependent reactions/calvin cycle



light dependent reactions formula - CORRECT ANSWER - light + ADP + NADP+ + H2O
--> ATP + NADPH + O2


3 parts of light dependent reactions - CORRECT ANSWER - light harvest system,
electron transport, and photophosphorylaton


where does light dependent reactions occur? - CORRECT ANSWER - thylakoids



2 photosystems in LDRs - CORRECT ANSWER - PS II & PS I



PS II - CORRECT ANSWER - P680



PS I - CORRECT ANSWER - P700

, electron flow in light dependent reactions - CORRECT ANSWER - water --> PSII --> PS
I --> NADP+


when does hills reaction occur? - CORRECT ANSWER - during LDR in electron
transport


hills reaction formula - CORRECT ANSWER - 2H2O --> O2 + 4H+



what is the purpose of hills reaction? - CORRECT ANSWER - to catalyze oxidation of
water for energy


photophosphorylation - CORRECT ANSWER - ADP + Pi --> ATP



calvin cycle formula - CORRECT ANSWER - CO2 + ATP + NADPH --> C6H12O6
(G3P) + ADP + NADP


where does the calvin cycle occur? - CORRECT ANSWER - stoma



3 parts of the calvin cycle - CORRECT ANSWER - CO2 fixation, CO2 reduction,
regeneration of RuBP


CO2 fixation - CORRECT ANSWER - use CO2/catalyzed by rubisco



rubisco - CORRECT ANSWER - most abundant protein; 8 L-units/8 S-units



CO2 reduction - CORRECT ANSWER - ATP/NADPH consumed to form G3P



regeneration of RuBP - CORRECT ANSWER - G3P is used to regenerate RuBP