試題詳解

17. Which of the following statements describes chromatin?
(A)Heterochromatin is composed of DNA, whereas euchromatin is made of RNA.
(B)Both heterochromatin and euchromatin are found in the cytoplasm.
(C)Euchromatin is highly condensed, whereas heterochromatin is less compact.
(D) Heterochromatin is not transcribed, whereas euchromatin is transcribed.
(E)Only euchromatin is visible under the light microscope.