Curriculum
Course: AQA A Level Biology 7402
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Curriculum

AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

8.2.5 Regulation of Transcription – Exam questions

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  • Questions count: 7
  • Passing grade: B+
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1.
Transcription produces
an RNA copy of a gene
a polypeptide
a new chromosome
a DNA copy of RNA
2.
Transcription factors in eukaryotes
translate mRNA
replicate DNA
splice introns
bind to DNA to regulate transcription of specific genes
3.
Which statement best describes Transcription factor?
An agent that raises the mutation rate, such as radiation or certain chemicals.
A molecule that removes a repressor, switching the genes on.
A mutation in a gamete — passed to offspring.
A protein that binds DNA and increases or decreases transcription of a gene.
4.
Protein that prevents the binding of RNA polymerase to the promoter site.
Protein that prevents the binding of RNA polymerase to the promoter site.
Enhancer
Repressor
Operator
Promoter
5.
A protein that blocks transcription by binding to the operator is a _____.
repressor
polymerase
promoter
inducer
6.
RNA polymerase binds at the promoter to begin transcription. True or false?
False
False, at the stop codon
True only in eukaryotes
True
7.
Eukaryotic genes are usually controlled by many transcription factors acting together. True or false?
True
False
False, by operons only
True only in yeast
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Part of 8. The Control of Gene Expression (A Level only) — see every lesson and quiz in this unit.
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