DNA EXTRACTION LAB Flashcards

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1
Q

Reason to why salt and soap are used in lysisng solution

A

Salt- Breaks up protien chains making the DNA less soluble in the alcohol

Soap- Soap is used to break straberry cell so that DNA can only be left in solution

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2
Q

Reason for Isopropyl alcohol cold being used

A

When cold isopropyl is used the DNA molecules become less soluble casuing it to clump up even more so when its cold

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3
Q

What does lysising soltuion do?

A

Seperates DNA from strawberry cells and helps dissolve membrane

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4
Q

DNA stands for

A

deoxyribonucleic acid

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5
Q

DNA building blocks are nucleotides, they are composed of…

A

A five carbon sugar (pentose sugar)
A single phosphate group
1 of 4 nitrogenous (nitrogen-containing) bases

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