27. According to modern ideas about phototropism in plants (A) many densely-packed cells without an extracellular matrix. (B) an epithelial origin. (C) relatively few cells and a large amount of extracellular matrix (D) a supporting material such as chondroitin sulfate

2. Genetically engineered plants (A) are more difficult to engineer than animals. (B) include a transgenic rice plant that can help prevent are more difficult to engineer than animals t vitamin A deficiency. (C) are being rapidly developed, but traditional plant breeding programs are still the only method used to develop new plants. (D) are able to fix nitrogen themselves

27. According to modern ideas about phototropism in plants
(A) many densely-packed cells without an extracellular matrix.
(B) an epithelial origin.
(C) relatively few cells and a large amount of extracellular matrix
(D) a supporting material such as chondroitin sulfate

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