DNA Flashcards

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1
Q

how bases in each turn

A

10

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2
Q

what is the structure of a nucleotide

A

deoxyribose sugar
nitrogenous base
phosphate gourp

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3
Q

what are the monomers of nucleic acids

A

nucleotides

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4
Q

explain the synthesis and breakdown of polynucleotides

A

,

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5
Q

describe the strucure of ATP and ADP

A

phosphorylated nucleotides

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6
Q

state the components of ATP

A

adenine
3 onorganic phosphate groups
pentose sugar

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7
Q

describe the structure of DNA

A

,

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8
Q

what does DNA stand form

A

deoxybribonucleic acid

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9
Q

what does ATP stand for

A

adenosine triphosphate

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10
Q

procedure for DNA extraction

A

,

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11
Q

explain semi-conservative DNA replication

A

,

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12
Q

describe the nature of genetic code

A

degenerate
universal
3

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13
Q

what does transcription and translation of genes result in

A

the synthesis of polypeptides

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14
Q

describe transription

A

,

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15
Q

where does transcription occur

A

,

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16
Q

why is transcription neccessary

A

,

17
Q

what is the result of transcription

A

,

18
Q

describe the process of translation

A

,

19
Q

what translation factors are involved in transcription

A

,

20
Q

bases in DNA

A

adenine
thymine
guanine
cytosine

21
Q

role of DNA helicase

A

unwind DNA molecule

catalyses the hydrolysis of H bonds bw base paire

22
Q

role of DNA polymerase

A

catalyses condensation of phosphodiester bonds between actived nucleotides

23
Q

semi-conservative DNA replication

A

.

24
Q

how many H bonds bw A and T

A

two

25
Q

how many H bonds bw G and C

A

three