Which is correct regarding photosynthesis?

What do the internal factors affecting photosynthesis dependent on?

How many numbers of chlorophyll are present in a photosynthetic unit?

How many carbon atoms does OAA contain?

In PS II, the last electron acceptor is __

At what percentage of sunlight does light saturation occur?

Which of these features cannot help us differentiate between C3 and C4 plants?

Which of the following is false regarding the bundle sheaths of plants showing Kranz anatomy?