29. The plant roots contain starch-heavy plastids known as:
(A) chloroplasts
(B)plastoplasts
(C)chromoplasts
(D)statoliths
(E) strongoliths
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統計: A(2), B(3), C(8), D(20), E(2) #2345017
統計: A(2), B(3), C(8), D(20), E(2) #2345017