Which one of the following cellular parts is correctly
described?
(a) Thylakoids - flattened membranous sacs
forming the grana of chloroplasts
(b) Centrioles - sites for active RNA synthesis
(c) Ribosomes - those on chloroplasts are larger (80S)
while those in the cytoplasm are smaller (70S)
(d) Lysosomes - optimally active at a pH of about
8.5

1 Answer

Answer :

(a) Thylakoids - flattened membranous sacs
forming the grana of chloroplasts

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