Microbiology Chapter 8

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Microbiology
Chapter 8
Grade levels:
College: First year, College: Second year, College: Third year, College: Fourth year
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1

recombinant DNA

a DNA molecule that includes any nonparental nucleotide sequences

2

genetic engineering

deliberate changing of DNA

3

gene trasfer

movement of genetic information between organisms

4

transormation

living cells incorporating naked DNA
log (secrets a protein called competence factor)

5

transduction

uses a virus to transfer genes

6

bacteriaphage

virus which infects bacteria

7

lytic cycle

viral nucleic acid becomes part of cellular DNA, takes over cell & has cell produce new viruses, then rupture

8

lysogenic cycle

viral nucleic acid becomes part of cellular DNA & then becomes dormant. may or may not enter lytic cycle in the future

9

conjugation

uses direct contact with pili to tranfer plasmids

10

Resistance plasmids

carry genes that provide resistance to specific toxins or antibiotics

11

transpoosons plasmids

transposable element that contains the genes for moving and one or more genes as well

12

bacteriocin plasmids

proteins that inhibit growth. directs the productions of them