mRNA & tRNA Flashcards

1
Q

what does the M stand for in mRNA?

A

messenger

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2
Q

what does the T stand for in tRNA

A

transfer

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3
Q

what is mRNA used for?

A

to transfer the DNA code from the nucleus to the cytoplasm

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4
Q

what is mRNA complementary to?

A

the DNA code

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5
Q

why does mRNA leave the nuclear pores instead of DNA?

A

because its small enough to

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6
Q

when is mRNA made?

A

during transcription

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7
Q

what type of strand is mRNA?

A

a single polynucleotide strand

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8
Q

what does mRNA associate with in the cytoplasm?

A

ribosomes

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9
Q

what is mRNA used to determine?

A

the sequence of amino acids during protein synthesis

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10
Q

when does mRNA exist?

A

when needed to manufacture a protein during transcription

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11
Q

what shape is tRNA?

A

clover leaf

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12
Q

what helps to maintain the shape of tRNA?

A

hydrogen bonds

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13
Q

what are the 3 bases at the opposite end of tRNA called?

A

anticodon

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14
Q

what is tRNA involved in?

A

translation

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15
Q

what is the anticodon on tRNA complementary to?

A

the codon on mRNA

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16
Q

is tRNA small or big?

A

small

17
Q

is tRNA double or single stranded?

A

single, folded into a clover leaf