2.Which of the following descriptions about cyanobacteria is NOT correct?
(A) They are Gram-negative bacteria.
(B) Most species are not able to fix nitrogen.
(C) They contain chlorophyll and beta-carotene pigments.
(D) They are photosynthetic microbes.
(E) They are able to establish symbiotic relationships with diverse plant species.
(A) They are Gram-negative bacteria.
(B) Most species are not able to fix nitrogen.
(C) They contain chlorophyll and beta-carotene pigments.
(D) They are photosynthetic microbes.
(E) They are able to establish symbiotic relationships with diverse plant species.
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統計: A(2), B(13), C(3), D(2), E(0) #3236535
統計: A(2), B(13), C(3), D(2), E(0) #3236535