QUIZ 1. What is the main arrangement of the prokaryotic DNA? a. Circular within a nucleus b. Circular without a nucleus c. Linear within a nucleus d. Linear without a nucleus 2. How does the prokaryotic genome get compacted? a. It is negatively supercoiled, against the grain of the double helix. b. It is positively supercoiled, with the grain of the double helix. c. It is wrapped around histone proteins throughout its length. d. It is wrapped around unique, glycoproteins throughout its length. 3. What sequence on an operon will selectively bind to RNA polymerase in order to set the operon up for activity? a. Promotor b. Regulator c. Terminator d. Operator 4. Which part of a eukaryotic cell does not normally contain DNA? a. Nucleus b. Nucleoid c. Chloroplast d. Mitochondria 5. Which hormone is least likely to bind to DNA and regulate gene expression? a. Estrogen b. Testosterone c. Progesterone d. Luteinizing hormone
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