Additional Slides Flashcards

1
Q

template of the transcription of DNA-dependent synthesis of RNA

A

DNA antisense strand

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2
Q

product of transcription

A
  1. messenger RNA (mRNA)
  2. ribosomal RNA (rRNA)
  3. transfer RNA (tRNA)
  4. miRNA
  5. siRNA
  6. other regulatory RNAs
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3
Q

DNA sequences that code for RNA

A

coding region

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4
Q

do not code for an RNA

A

noncoding region

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5
Q

referred to as linker histones

A

histone H1

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6
Q

segment of the DNA connects one nucleosome to the next

A

linker DNA

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7
Q

histone H1 associates with

A

linker DNA

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8
Q

histone H1 runsa down the center of the coil acting as __

A

stabilizer

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9
Q

makes unwinding easier

A

A-T rich region

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10
Q

eukaryotic promoters helps the __ of RNA polymerase relative to startpoint

A

orientation

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11
Q

auxillary proteins

A

transcription factors

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12
Q

facilitate RNA polymerase binding

A

binding of auxillary proteins (transcription factors)

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13
Q

prokaryotic promoter

A
  1. TATAAT
  2. TTGACG
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14
Q

TATAAT

A

~10 sequence

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15
Q

TTGACG

A

~ 35 sequence

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16
Q

eukaryotic promoters

A
  1. TATA box / Goldberg/Hogness box
  2. GC box
  3. CAAT box
17
Q

TATA box

A
  • TATAWAW
  • 19-27 bases before startpoint
18
Q

GC box

A

~ 70 bases before startpoint

19
Q

CAAT box

A

~ 40 bases before startpoint

20
Q

termination strategy that occurs via rho factor protein

A

rho dependent termination

21
Q

termination occurs due to formation of hairpin loop structure and a region which has weak interactions between adenine template and uracil of transcript

A

rho independent termination