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Cells, tissues and organisms > Nucleic acids > Flashcards

Nucleic acids Flashcards

1
Q

polymers?

A

nucleic acids (DNA and RNA specifically)

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2
Q

monomers?

A

nucleotides

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3
Q

nucleotide subunits?

A

pentose sugar ((deoxy(ribose)
phosphate group
nitrogenous base

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4
Q

describe the bases

A

purines have 2 rings - adenine and guanine

pyrimidines have 1 ring - uracil, thymine, cytosine

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5
Q

how are polymers of nucleic acids formed

A

OH of phosphate group and OH of pentose sugar undergo condensation reaction to form phosphodiester bonds

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6
Q

monomers of DNA?

A

deoxyribonucleotides

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7
Q

naming DNA mnomers?

A

deoxycytosine monophosphate etc

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8
Q

describe the structure of DNA polymer

A

double helix - sugar phosphate backbone wrapping arroud hydrophobic bases
major groove and minor groove

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9
Q

the names of the strands within DNA?

A

sense strand

nonsense strand

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10
Q

how do we write DNA?

A

ALWAYS from 5’->3’ direction

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11
Q

main differneces between DNA and RNA

A

number of strands
type of sugar
the bases

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Cells, tissues and organisms (24 decks)

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