Biotechnology Engineering (M.Phil./Ph.D.) 2016 Panjab University Entrance Exam With Answers

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15.

In an experiment conducted in the dark, isolated chloroplasts are kept in buffer (pH 4.0) at 4°C until their internal pH is equal to 4.0. Then, they are transferred to a buffer of pH 8.0, and ADP and Pi are added at the same time. Which of the following will happen?

A: Chloroplasts will be destroyed
B: Chlorophyll in the chloroplast will release bound Magnesium
C: Chloroplasts will be intact but no ATP will be produced
D: Chloroplasts will be intact and ATP will be produced

The answer is: D

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