Medical Microbiology 6th edition by Murray Patrick R. Rosenthal - Test bank

Medical Microbiology 6th edition by Murray Patrick R. Rosenthal – Test bank

Instant Download – Complete Test Bank With Answers

Sample Questions Are Posted Below

Murray: Medical Microbiology, 6^th Edition

Chapter 5: Bacterial Genetics

MULTIPLE CHOICE

1. What is the term for pieces of DNA that move from one genetic element to another and contain genes for movement, as well as genes for other features?

ANS: A

2. What is the term for “miniature” chromosomes composed of several genes in double-stranded, closed, circular structures?

ANS: C

3. A DNA sequence that encodes for a specific product (RNA or protein) is defined as which of the following?

ANS: A

4. What are the enzymes that add nucleotide bases to each growing daughter strand in the replication process called?

ANS: B

5. Genetic change in bacteria is accomplished by which of the following?

ANS: D

6. Analysis of the DNA from a methicillin- and vancomycin-resistant, gram-positive, coagulase-positive cocci isolated from a furuncle on a diabetic patient’s toe indicated the presence of DNA sequences from Enterococci. Which of the following processes generated these new bacteria?

ANS: D

7. Development of new strains of bacteria from the DNA of killed bacteria can occur by which genetic mechanism?

ANS: C

8. Which of the following would promote the metabolism of galactose by E. coli?

ANS: B

9. Why would a frameshift mutation in the gene for topoisomerase 1 be lethal for E. coli but not C. albicans?

ANS: B