5.4 translation Flashcards

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1
Q

codon

A

every 3 bases in mRNA

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2
Q

anticodon

A

3 base sequences that pair with codon on mRNA

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3
Q

mRNA

A

contains code for amino acid sequence

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4
Q

tRNA

A

transfers amino acids to ribosomes, contain anticodon that help put amino acids in order

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5
Q

rRNA

A

facilitates matching of mRNA & tRNA makes proteins

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6
Q

A-site

A

matches correct t-RNA to the next codon in the mRNA

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7
Q

P-site

A

holds growing polypeptide chain

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8
Q

E-site

A

empty tRNA leaves ribosome

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9
Q

mutation

A

change in the base sequence in a molecule of DNA

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10
Q

when do mutations happen?

A

DNA replication

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11
Q

point mutation

A

substitution of single base

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12
Q

silent mutation

A

no amino acid change

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13
Q

missense

A

change amino acid

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14
Q

nonsense

A

change to stop codon; short protein or no protein

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15
Q

insertions

A

adding bases

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16
Q

deletions

A

losing bases

17
Q

frameshift

A

shift in reading frame