Genetic Engineering Flashcards

(9 cards)

1
Q

What is a transgenic organism?

A

An organism carrying recombinant DNA

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2
Q

What is recombinant DNA?

A

Genetic material from different sources combined to a single DNA molecule

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3
Q

Why is Taq polymerase used in PCR?

A

It synthesizes new DNA and it is thermostable, working at high temperatures

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4
Q

5 components mimicked by PCR during replication?

A

Primers
dNTPs
Buffer
Template DNA
Thermal cycling

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5
Q

What is a genomic library?

A

The complete genome of an organism divided into recombinant plasmids

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6
Q

How does Sanger sequencing work?

A

A pool of normal NTPs and tagged NTPs are present. When synthesis occurs, either a normal NTP will be picked up or a ddNTP which terminates the sequence. The fragements are then read from smallest to largest according to the color tags.

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7
Q

How can only exonic sequences be cloned?

A

Reverse transcriptase of mRNA

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8
Q

Ways to introduce DNA to eukaryotic cells?

Five alternatives

A

Transfection
Electroporation
Transduction
Microinjection
Conjugation

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9
Q

Enzymatic activity of Cas9?

A

RNA-guided endonuclease

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