Biology
NULL
Medium
Question
The chloroplasts of diatoms and chrysophycean algae do not possess ____________?
A
Chlorophyll pigments
B
Enzymes for photolysis
C
Defined grana and stroma
✓ Official correct answer
D
Carotenes with chlorophylls
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A
Chlorophyll pigments
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B
Enzymes for photolysis
No member explanations yet for this option.
C
Defined grana and stroma
No member explanations yet for this option.
D
Carotenes with chlorophylls
No member explanations yet for this option.
Explanation
The chloroplasts of diatoms and chrysophycean algae generally lack the well-defined grana and stroma organization typical of green plant chloroplasts, instead having thylakoids arranged differently within the plastid.