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3rd Microbiology Lecture Test
Chapter 9
27
Microbiology
Undergraduate 1
05/16/2017

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Term
Biotechnology
Definition

The use of microrganisms, cells, or cell components to make a product.

ex. foods, antibiotics, and vitamins.

Term
Recombinant DNA Technology
Definition

Insertion or modification of genes to produce things they do not naturally produce.

ex. e. Coli to make insulin

Term
Plasmid
Definition
Self replicating DNA.
Term
Vector
Definition
Self replicating DNA used to carry the desired gene to a new cell. (selection)
Term
Clone
Definition
Population of cells arising from one cell; each carries the new gene. Giving a characteristic to the gene it normally would not have.
Term
Selection
Definition

Culture a naturally occuring microbe that produces the desried product.

ex. vector

Term
Mutation
Definition
Mutagens cause mutations which result in a microbe desirable trait.
Term
Site Directed Mutagenesis
Definition

Changing the DNA.

ex. designer baby

Term
Restriction Enzyme
Definition
Cuts DNA and leaves sticky ends.
Term
Vectors
Definition
Carry a chain of interest. You can pick what you want.
Term
Polymerase Chain Reaction (PCR)
Definition
Makes mutiple copies of DNA. 35 cycles take about 4 hours. After one cycle it doubles. Uses TAQ.
Term
TAQ
Definition
Thermus auquaticus. Heats up DNA then cools. This is the replicatio of DNA.
Term
Electroporation
Definition
Inserts DNA electrically.
Term
Transformation
Definition
Places naked DNA in solution. Cells take up the solution. Deals with temperature change.
Term
Protoplast Fusion
Definition
The cell wall is removed by enzymes.
Term
Gene Gun
Definition
Uses DNA coated bullets.
Term
Microinjection
Definition
DNA is directly inserted into an animal cell.
Term
Genomic Libraries
Definition
A area where you can get plasmids or phages.
Term
Synthetic DNA
Definition
Made by a DNA synthase machine.
Term
Complementary DNA
Definition
Made from mRNA by reverse transcription.
Term
e. Coli
Definition
Is used the most and is easily grown. You have to kill a lot of e. Coli to get insulin.
Term
Mammalian Cells
Definition
Expresses Eukaryotic cells and is harder to grow.
Term
Human Enzymes
Definition
Made by recombinet.
Term
Subunit Vaccines
Definition
Protein portion of the pathogen.
Term
Nonpathogenic
Definition
Can not get sick. Vaccine comes from the acutal virus.
Term
Si RNA
Definition
Small interfering RNA. Silences gene for a little bit.
Term
Southern Blotting
Definition
Seperates DNA.
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