Quiz 12 - Quiz 12 a more b less 1 Euchromatin is acetylated...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 11-20-09 Quiz 12 a. more b. less 1. Euchromatin is _____ acetylated than heterochromatin. 2. The ____ properties of the R groups in lysine and arginine account for DNA/histone interactions. a. polar b. non-polar c. basic d. acidic 3. An example of an epigenetic factor would be a ___. a. point mutation c. methylated DNA d. regulatory gene e. co-repressor b. operon 4. Assuming an operon has only three genes, it will also include ___ operator site(s), ___ start codon(s), and ___ stop codon(s). a. 1,1,1 b. 1,3,3 c. 3,3,1 d. 3,3,3 e. 1,3,1 5. An “enhancer” is a __ : a. set of distal control elements on eukaryote DNA. b. set of proximal control elements on prokaryote DNA. c. transcription factor. 6. A repressor molecule “represses” operon transcription by binding directly to the ___. a. operator site b. gene c. RNA polymerase d. start codon 7. A “catabolic” operon is usually ___ until turned ___. 8. An “anabolic” operon is usually ___ until turned ___. a. off; on a. off; on b. on; off b. on; off True (a) or False (b): 9. One common control point for gene regulation in all organisms is at the point of RNA processing. 10. A frameshift mutation will result from a 3 base-pair insertion in a gene. Key: 1a, 2c, 3c, 4b, 5a, 6a, 7a, 8b, 9b, 10b ...
View Full Document

This note was uploaded on 01/20/2010 for the course BIO 50415 taught by Professor Batterton during the Fall '09 term at University of Texas.

Ask a homework question - tutors are online