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From gene to protein

10th grade (Year 11 in England) · 10 questions · Common Core: NGSS.HS-LS1-1, NGSS.HS-LS3-1 · England: GCSE Biology: Inheritance, variation and evolution (protein synthesis)

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1
Question 1
Protein synthesis: which statement is NOT true?
- A. Each base codes for one amino acid.
- B. A gene is a section of DNA that codes for a protein.
- C. Translation happens at ribosomes.
- D. Transcription happens in the nucleus.
2
Question 2
Why is an mRNA copy needed? DNA could be used directly…
- A. DNA is too large to leave the nucleus, so a smaller copy carries the code to the ribosome
- B. DNA is a protein
- C. Ribosomes are inside the nucleus
- D. mRNA is made of amino acids
3
Question 3
Protein synthesis: which statement is NOT true?
- A. A gene is a section of DNA that codes for a protein.
- B. The order of bases decides the order of amino acids.
- C. Transcription happens in the nucleus.
- D. Each base codes for one amino acid.
4
Question 4
Why does the final shape of a protein matter?
- A. Shape decides the colour of the cell
- B. Shape does not matter
- C. Its shape lets it do its job, such as an enzyme's active site
- D. All proteins have the same shape
5
Question 5
Protein synthesis: which statement is NOT true?
- A. Translation happens at ribosomes.
- B. Proteins are made of sugars.
- C. The order of bases decides the order of amino acids.
- D. A gene is a section of DNA that codes for a protein.
6
Question 6
Why is an mRNA copy needed? DNA could be used directly…
- A. mRNA is made of amino acids
- B. DNA is too large to leave the nucleus, so a smaller copy carries the code to the ribosome
- C. DNA is a protein
- D. Ribosomes are inside the nucleus
7
Question 7
Protein synthesis: which statement is NOT true?
- A. Translation happens at ribosomes.
- B. The order of bases decides the order of amino acids.
- C. Transcription happens in the nucleus.
- D. Proteins are made of sugars.
8
Question 8
What does a sequence of three bases (a codon) code for?
- A. one amino acid
- B. one chromosome
- C. one gene
- D. one protein
9
Question 9
Protein synthesis: which statement is NOT true?
- A. Each base codes for one amino acid.
- B. Transcription happens in the nucleus.
- C. The order of bases decides the order of amino acids.
- D. Translation happens at ribosomes.
10
Question 10
Why is an mRNA copy needed? DNA could be used directly…
- A. DNA is a protein
- B. Ribosomes are inside the nucleus
- C. mRNA is made of amino acids
- D. DNA is too large to leave the nucleus, so a smaller copy carries the code to the ribosome

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Answer key: From gene to protein

1. A. Each base codes for one amino acid.
2. A. DNA is too large to leave the nucleus, so a smaller copy carries the code to the ribosome
3. D. Each base codes for one amino acid.
4. C. Its shape lets it do its job, such as an enzyme's active site
5. B. Proteins are made of sugars.
6. B. DNA is too large to leave the nucleus, so a smaller copy carries the code to the ribosome
7. D. Proteins are made of sugars.
8. A. one amino acid
9. A. Each base codes for one amino acid.
10. D. DNA is too large to leave the nucleus, so a smaller copy carries the code to the ribosome