Chloroplasts were discovered as the site of photosynthesis in an ingenious experiment.What was it?
A) Oxygen could be seen as it was produced in chloroplasts.
B) Chloroplasts were seen to swell in the presence of sunlight.
C) Spirogyra in the dark shrank and their chloroplast disappeared.
D) When Spirogyra was illuminated,actively moving bacteria gathered outside the cell near its large ribbon-like chloroplast to use the oxygen produced there for aerobic respiration.
E) None of these are correct.
Correct Answer:
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Q1: Photoautotrophs include _.
A)plants
B)eukaryotic algae
C)various flagellated protists
D)members of
Q4: Thylakoid membranes have _.
A)high protein content
B)relatively plentiful
Q4: Why are organisms that presently use hydrogen
Q5: Organisms that use the energy stored in
Q8: A direct advantage of using water as
Q9: Which of the following is not a
Q12: Organisms that can survive on carbon dioxide
Q15: Why was the number of heterotrophs on
Q16: How did the evolution of photosynthesis set
Q17: Flattened membranous structures that connect the thylakoids
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