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Biology Laboratory > Lab 12 > Flashcards

Lab 12 Flashcards

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1
Q

What product was used to yield DNA?

A

wheat germ

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2
Q

What does adding hot water do to the DNA?

A

denatures it

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3
Q

What does adding liquid dish soap do to the DNA?

A

breaks the cell membrane

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4
Q

What does adding cold ethanol do to the DNA?

A

yells a bilayer and breaks nuclear membrane

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5
Q

Is DNA negatively or positively charged?

A

negative

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6
Q

What is the molecular formula of Cytosine?

A

C4H5N3O

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7
Q

What is the molecular formula of Adenine?

A

C5H5N5

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8
Q

What is the molecular formula of guanine?

A

C5H5N5O

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9
Q

What is the molecular formula for thymine?

A

C5H6N2O2

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10
Q

Which of the four nitrogenous bases are purines?

A

Adenine and Guanine

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11
Q

Which of the four nitrogenous bases are pyrimidines

A

Cytosine and Thymine

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12
Q

Is Deoxyribose sugar pentose or hexagonal?

A

pentose

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13
Q

What connects nitrogenous base to nitrogenous base?

A

hydrogen bond

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14
Q

What connects nitrogenous base to deoxyribose sugar?

A

Nitrogen to Carbon

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15
Q

What connects the deoxyribose sugar to the phosphate group?

A

Carbon to Oxygen

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Biology Laboratory (8 decks)

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