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Biochemistry SBME > lec 8: nucleotides > Flashcards

lec 8: nucleotides Flashcards

1
Q

DNA from DNA

A

replication

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2
Q

RNA from DNA

A

transcription

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3
Q

protein from RNA

A

translation

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4
Q

arrangement of genes

A

chromosomes

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5
Q

total genetic information

A

genome

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6
Q

purine bases

A

adenine & guanine

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7
Q

pyrimidine bases

A

thymine, uracil, cytosine

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8
Q

importance of free nucleotides

A
  1. energy sources (AMP,ADP,ATP)
  2. sulphate donor (PAP)
  3. coenzymes: hydrogen carriers (NAD, NADP, FAD)
  4. secondary messengers (cyclic AMP, cyclic GMP)
  5. methyl donor: SAM (adenine nucleoside)
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9
Q

methyl donor

A

SAM

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10
Q

sulphate donor

A

PAP

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11
Q

hydrogen donors

A

NADP, NAD, FAD

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12
Q

carrier of amino acid from cytosol to ribosome in process of protein synthesis

A

tRNA

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13
Q

synthesized in nucleus then passed to ribosomes

A

mRNA

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14
Q

80% of total RNA

A

ribosomal RNA

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15
Q

site for protein synthesis

A

ribosomal RNA

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16
Q

purines of DNA and RNA

A

adenine and guanine

17
Q

pyrimidines of DNA

A

cytosine, thymine

18
Q

pyrimidines of RNA

A

cytosine, uracil

19
Q

sugar of DNA

A

2 de-oxyribose

20
Q

sugar of RNA

A

ribose

21
Q

site of DNA

A

nucleus and mitochondria

22
Q

site of RNA

A

mainly in cytosol, less commonly in nucleus and mitochondria

23
Q

functions of DNA

A

genetic information and RNA synthesis

24
Q

function of RNA

A

protein synthesis

Biochemistry SBME (8 decks)

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