Lesson 3.4.2.1
3.4.2.1 Transcription and mRNA Quiz: AQA Biology, Unit 4
20 questions
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Lesson 3.4.2.1, Transcription and mRNA: 20 multiple choice questions for the AQA Biology (7402), Unit 4: Genetic information, variation and relationships, written with Revision Ninja.
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The 20 questions
-
What term describes the complete set of genes in a cell?
- Genome
- Transcriptome
- Proteome
- Allele
-
What term describes the full range of proteins that a cell is able to produce?
- Genome
- Transcript
- Proteome
- Karyotype
-
Which molecule carries the copy of a gene's base sequence from the nucleus to the ribosome?
- Ribosomal RNA (rRNA)
- Messenger RNA (mRNA)
- Transfer RNA (tRNA)
- Histone protein
-
Which molecule brings a specific amino acid and has an anticodon matching an mRNA codon?
- tRNA
- rRNA
- DNA
- mRNA
-
Which enzyme joins RNA nucleotides together using a DNA template strand during transcription?
- DNA polymerase
- DNA ligase
- DNA helicase
- RNA polymerase
-
What is produced directly from DNA during transcription in prokaryotic cells?
- Pre-mRNA
- Intron
- mRNA
- Polypeptide
-
What is the initial transcript produced directly by transcription in eukaryotic cells?
- Ribosome
- tRNA
- Pre-mRNA
- Mature mRNA
-
Why is mRNA described as a single-stranded copy of one gene rather than the gene itself?
- Single-stranded
- Double-stranded
- Histone-bound
- Circular
-
What happens to the length of eukaryotic pre-mRNA when introns are removed during splicing?
- Increases
- Remains constant
- Duplicates
- Decreases
-
What are the non-coding sections of a eukaryotic gene removed from pre-mRNA during splicing called?
- Introns
- Exons
- Anticodons
- Codons
-
Which pyrimidine base is found in mRNA but never in normal DNA molecules?
- Uracil
- Cytosine
- Thymine
- Adenine
-
Which cellular process is directly stopped by a drug that inhibits RNA polymerase?
- DNA replication
- Translation
- Respiration
- Transcription
-
What is the direct product of transcription in a eukaryotic cell?
- Amino acid
- DNA strand
- Pre-mRNA
- Polypeptide
-
In a eukaryotic cell, in which cellular organelle does transcription take place?
- Ribosome
- Mitochondrion
- Nucleus
- Golgi apparatus
-
Which feature of a gene is removed from the pre-mRNA before the mRNA leaves the nucleus?
- Codons
- Anticodons
- Introns
- Exons
-
Which process removes introns from pre-mRNA in eukaryotic cells?
- Translation
- Splicing
- Replication
- Condensation
-
What term describes the complete set of proteins expressed by a cell?
- Karyotype
- Genome
- Genotype
- Proteome
-
Which nitrogenous base is found in RNA but not in DNA?
- Thymine
- Cytosine
- Adenine
- Uracil
-
What process is absent in prokaryotic transcription that delays eukaryotic translation?
- Replication
- Condensation
- Transcription
- Splicing
-
The template strand is written 3'-GGC-5'. What is the mRNA sequence written 5' to 3'?
- 5'-CCG-3'
- 5'-GGC-3'
- 3'-CCG-5'
- 5'-CGG-3'
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