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biology > DNA > Flashcards

DNA Flashcards

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AP® Biology flashcards
0
Q

transformation

A

Griffith

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1
Q

Chemical factor that is made up of DNA and determines inherited characteristics

A

Gene

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2
Q

Griffith’s purpose

A

Discover why bacteria make people sick

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3
Q

enzyme

A

Avery

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4
Q

Avery’s purpose

A

Discover what the transformation factor is (enzyme juices)

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5
Q

radioactivemarkers

A

Hershey & chase

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6
Q

Hershey and Chase’s purpose

A

To either support or reject the hypothesis that genes are made up of DNA

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7
Q

xrays

A

Franklin

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8
Q

Franklin’s purpose

A

Use X-rays to gain info about the structure of DNA

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9
Q

dnamodel

A

Watson & Crick

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10
Q

DNA

A

Deoxyribonucleic acid

Made up of individual units called nucleotides

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11
Q

Deoxyribose

A

5-carbon sugar

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12
Q

DNA is made up of…

A

5-carbon sugar
Phosphate group
Nitrogenous base

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13
Q

What is the backbone of a DNA double helix?

A

Sugar-phosphate

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14
Q

When a cell divides, it replicates the DNA into

A

Two identical strands

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15
Q

Step one

A

Unzipped by helicase

Breaks hydrogen bonds between nitrogenous bases

16
Q

Temporary strands

A

Original halves that are used for new base pairing

17
Q

Enzyme that adds new new bases to the DNA structure

A

DNA polymerase

18
Q

New DNA strands are called

A

Complimentary strands

biology (4 decks)

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