Intro To DNA Flashcards

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0
Q

Structure

A

Three carbon phosphate group phosphate sugar and nitrogenous base
Thymine
Adenine
C and G

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1
Q

DNA

A

DNA is a type of macromolecule made out of nucleic acid’s
Info stored in base pairs
Info used to build proteins

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2
Q

How do base pairs stay together

A

Hydrogen bonds

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3
Q

Purines

A

2 rings G/A

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4
Q

Pyramidines

A

1 ring

C/t and u

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5
Q

Semi conservative

A

To parental strands service templates each new strand has one parent and one copy

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6
Q

DNA replication

A

Helicase unzips the double helix

DNA polymerase links corresponding nucleotide starting from the five prime into the three prime

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7
Q

Lagging vs leading

A

DNA polymerase can only work from 5 prime to 3 prime so replaces the leading strand continuously but the lagging strand discontinuously

short Okazaki fragments are formed and they are later synthesized by DNA ligase

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8
Q

Anti Parallel

A

Parallel but chemically different directions

five prime and is phosphate three prime end is sugar

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