PCR gel electrophoresis Flashcards

1
Q

what are the 4 basic steps using PCR in viral diagnostics

A

collect sample
extract genetic material
amplify viral sequence
visualize results

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2
Q

what does PCR stand for

A

Polymerase chain reaction

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3
Q

What does PCR allow you to do

A

It allows you to copy DNA and replicate specific genes of a virus

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4
Q

what is the name of the enzyme used in PCR

A

reverse transcriptase

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5
Q

why is reverse transcriptase used

A

this turns RNA to DNA before copying it

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6
Q

Agargose

A

Used to separate DNA segments

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7
Q

TAE buffer does what

A

this allows electrical current flow

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8
Q

Loading dye

A

This helps to see how far it goes into gel.
Helps sample be thicker
Helps to fall into well easier

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9
Q

DNA ladder/ marker

A

help to decide the size of the results

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10
Q

wells in agarose gel

A

where you load the dye

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11
Q

what does a line farther down the gel indicate?

A

A line at the lower part of the gel indicated that the DNA fragments were smaller

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12
Q

what does a line of DNA fragments close to the top of the ladder mean?

A

This means that the DNA fragments were larger if closer to the top of the ladder.

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