Texas Southern University - BIOL 347

Chapter 08

Bacterial Genetics

Matching Questions

1)Which of the following best matches the description:

1. DNA and plasmids of an organism                  
2. genetic constitution of an organism                
3. visible characteristics of an organism             
4. permanent genetic change                 

True / False Questions

1. Organisms termed his ^- are considered prototrophic for histidine.

2. Each gene mutates at a characteristic frequency.

3. DNA polymerase is able to proofread the DNA sequence.

4. Mutations are likely to persist after SOS repair, but not after light or excision repair.

5. The Ames test determines antibiotic sensitivity of a bacteria.

6. Double-stranded DNA enters the recipient cell during transformation.

7. Plasmids often carry the information for antibiotic resistance.

8. R plasmids and F plasmids are both able to code for production of a pilus.

9. Transposons may leave a cell by incorporating themselves into a plasmid.

10. Crown gall is caused by a prokaryote plasmid that can be expressed in plant cells.

Essay Questions

11. What are the limitations of the Ames test?