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Test 2- BIOL2421-2
Micro Test 2
| Question | Answer |
|---|---|
| What are the three types of bacterial recombination? | transformation, conjugation, transduction |
| the process where a recipient cell uptakes fragments of donor DNA from surroundings and makes it part of its own DNA | Transformation |
| ability to uptake donor DNA from a similar organism | Competency |
| 3 common traits shared through transformation | 1) pigment, 2) capsule formation, 3) antibiotic resistance |
| a type of reproduction using f-pilus (short, hollow tube) to transfer DNA directly from donor into chromosome of recipient | Conjugation |
| Involves a virus (donor) and bacteria (recipient) | Transduction |
| What does enzyme endonuclease do? | cuts DNA in specific places (used for genetic engineering) |
| A permanent change in DNA of organism | Mutation |
| T/F: Mutations are always harmful | F: mutations can be neutral (nothing happens), beneficial (gains new ability), harmful (harms) |
| Mutations that occur without mutagen | spontaneous mutation |
| Term for something that causes mutation | mutagen |
| Explain Griffith's experiment | see print out |