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Course: AQA A Level Biology 7402
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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

6.2.4 Transcription – Exam questions

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  • Questions count: 12
  • 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.
The process of transcription results in the formation of
The process of transcription results in the formation of
DNA.
proteins.
lipids.
RNA.
carbohydrates.
4.
Base-pair sequence that signals the start site for gene transcription.
Base-pair sequence that signals the start site for gene transcription.
Enhancer
Repressor
Operator
Promoter
5.
The site of transcription in the eukaryotic cell is the
SAT Biology - Question 093
A
B
C
D
E
6.
Which statement best describes Transcription?
Which statement best describes Transcription?
Section of DNA coding for a protein.
Copying DNA before division (semi-conservative).
DNA → mRNA in the nucleus.
Change in DNA sequence.
7.
In the sequence covered in this lesson, which step comes immediately after Introns removed?
In the sequence covered in this lesson, which step comes immediately after Introns removed?
5′ cap added
Poly-A tail added
Pre-mRNA
Mature mRNA exits nucleus
8.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Poly-A tail added
Pre-mRNA
5′ cap added
Introns removed
9.
Which enzyme joins RNA nucleotides during transcription?
RNA polymerase
DNA polymerase
Helicase
Ligase
10.
RNA polymerase binds first to the
terminator
start codon
promoter
ribosome
11.
Which statement best describes RNA polymerase?
Which statement best describes RNA polymerase?
Different exon combinations → different proteins.
Coding region kept.
Builds RNA 5′→3′ from a template strand.
Protect mRNA and help export.
12.
Based on the DNA diagram, in which direction would RNA polymerase move? (see the figure)
Based on the DNA diagram, in which direction would RNA polymerase move? (see the figure)
3 to 5 along the template strand
3 to 5 along the complementary strand
5 to 3 along the template strand
5 to 3 along the complementary strand
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Part of 4. Genetics, Variation and Interdependence — see every lesson and quiz in this unit.
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