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Gene transcriptions/Boxes/ATAs/Quiz

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This is a photomicrograph of Ostreococcus. Credit: Wenche Eikrem and Jahn Throndsen, University of Oslo.

ATA box is a lecture as part of the gene transcription series.

You are free to take this quiz based on the ATA box at any time.

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Quiz

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1 The portion of the promoter in which an ATA box is likely to be found is which of the following?

core promoter
proximal promoter
downstream promoter
distal promoter
enhancer

2 Several promoter elements have been previously identified in eukaryotes, but those cannot account for transcription from most RNA polymerase II-transcribed

3 True or False, Some ATA boxes are located in the distal promoter.

TRUE
FALSE

4 Which of the following is not a transcriptional characteristic of AGC boxes?

located between nucleotides -8 and +2 relative to the transcriptional start site (+1)
G/A/T-G/C+1-G-T/C-G-G-G/A-A-G/C
in eukaryotes
TATA-less genes
a consensus sequence

5 Complete the text:

The ATA box is a

of the TATA box that appears in the

and other

.

6 Yes or No, ATA boxes [AATAAA] can be clearly identified in the chicken αA- and αD-globin genes about 70 bp upstream from the initiator ATG codon.

Yes
No

7 Complete the text:

Match up the type of promoter or promoter element with each of the possibilities below:
TATA box - A
initiator element - B
enhancers and inhibitors - C
downstream elements - D
General transcription factor II D - E
ATA box - F
downstream core promoter

.
includes the transcription start site

.
proximal promoter

.
distal promoter

.
core promoter

usually 25 nucleotides upstream

.

8 Yes or No, The 3' flanking area contained the highly conserved hexanucleotide sequence A-A-T-A-A-A found in eukaryotic messages between the terminator codon and the polyadenylylation site (44).

Yes
No

9 Which of the following are phenomena associated with ATA boxes?

transcription of A1BG
directs activator-dependent but TFIID-independent transcription
TATA box-less promoters
initiator element
mediator dependence
distal promoter

10 True or False, ATA boxes are found in the promoter regions of at least 1% of human genes.

TRUE
FALSE


Hypotheses

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Main resource: Hypotheses
  1. A1BG is not transcribed by ATA boxes.

See also

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[edit | edit source]

{{Anthropology resources}}

{{Medicine resources}}{{Phosphate biochemistry}}

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