DNA transcription

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the process by which a sequence of DNA nucleotides is used as a template for the synthesis of an RNA molecule

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what is transcription?

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messenger RNA
transfer RNA
ribosomal RNA
noncoding RNA

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what are the major RNA molecules?

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31 Terms

1

the process by which a sequence of DNA nucleotides is used as a template for the synthesis of an RNA molecule

what is transcription?

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2

messenger RNA
transfer RNA
ribosomal RNA
noncoding RNA

what are the major RNA molecules?

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3

to encode the amino sequences of polypeptides

what is the function of mRNA?

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4

read the mRNA and transfer the appropriate amino acid to the polypeptide chain

function of tRNA

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5

forms ribosomes which read mRNA to make proteins

what does rRNA do?

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6

the entire thing

how much of the chromosome is copied?

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7

the sum of all the RNA molecules produced in a cell

what is a transcriptome?

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8

polymerases

RNA is synthesized by ____

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9

DNA template

RNA synthesis requires a _____

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10

5'-3'

is RNA built 3'-5' or 5'-3' ?

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11

3'-5'

the DNA template is copied in which direction? 3'-5' or 5'-3' ?

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12

3'-5'

what type of exonuclease activity does RNA polymerase NOT have (3'-5' or 5'-3')?

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13

1

which, 1 or 2, is the coding strand?

<p>which, 1 or 2, is the coding strand?</p>
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14

the complementary strand that is identical to the new RNA

what is the coding strand?

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15

2

which is the template strand (1 or 2)?

<p>which is the template strand (1 or 2)?</p>
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16

it serves as the template for RNA synthesis

what is the purpose of the template strand?

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17

RNA polymerase, DNA, and newly forming RNA

what does the transcription bubble contain?

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18

the sequence of DNA needed for the RNA polymerase to recognize the starting point

what is a promoter?

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19

the sequence of the promoter that is common in most DNA and is recognized by the RNA polymerase

what is a consensus sequence?

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20

initiation
elongation
termination

what are the three transcription stages?

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21

eukaryotic

which, prokaryotic or eukaryotic transcription is more complex?

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22

eukaryotic

which, prokaryotic or eukaryotic transcription has several RNA polymerases?

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23

prokaryotes

mRNA maturation does not occur in ... (prokaryotes or eukaryotes?)

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24

5' cap is added
3' poly tail is added
introns are spliced

what occurs during mRNA processing?

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25

eukaryotes

mRNA maturation only occurs in....

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26

protects mRNA from enzymatic destruction

what does the 3' poly tail do?

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27

to protect mRNA from ribonucleases and bind mRNA to ribosome

the function of the 5' cap is....

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28

exon

which, exon or intron, is the coding segment?

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29

both

which, introns or exons, are transcribed by RNA polymerase?

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30

exons

a mature mRNA is only made up of ...

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31

a specific exon may or may not be included into the mature mRNA

what does alternative processing mean?

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