Content Benchmark L.12.A.2
Students know DNA molecules provide instructions for assembling protein molecules. E/S
1st Item Specification: Recognize that the DNA code carries instructions for making protein
molecules.
Depth of Knowledge Level 1
1. What is the DNA sequence for the following mRNA sequence: CUCAAGUGCUUC?
A. CUCAAGUGCUUC
B. GAGUUCACGAAG
C. GAGTTCACGAAG
D. AGACCTGTAGGA
2. If the base sequence in DNA is ATCG, the mRNA sequence is
A. AUCG
B. ATCG
C. TAGC
D. UAGC
3. The sequence of nitrogenous bases in mRNA is
A. identical to the template strand of DNA on which it forms.
B. complementary to the template strand of DNA on which it forms.
C. determined by the sequence of bases in tRNA
D. complementary to the sequence of bases found in the ribosome.
4. Which of the following is NOT a structural difference between RNA and DNA?
A. A DNA molecule has two strands, while RNA has one strand.
B. DNA contains the base thymine, while RNA contains the base uracil.
C. The sugar in DNA is deoxyribose, while in RNA it is ribose.
D. Due to their sizes DNA, can the leave the nucleus and RNA cannot.
5. Amino acids are carried to the ribosome by the
A. messenger RNA.
B. ribosomal RNA.
C. transfer RNA.
D. coded RNA.
Depth of Knowledge Level 2
6. If the base sequence in DNA is ATCG, the tRNA sequence is
A. AUCG
B. ATCG
C. TAGC
D. UAGC
7. What tRNA molecules would be needed to carry amino acids for the following DNA
sequence: AGTCCGTTA?
A. TCAGGCAAT
B. AGTCCGTTA
C. AGUCCGUUA
D. UCAGGCUUA
8. Use the table showing mRNA codons to answer the question below.
(From http://www.safarikscience.org/biologyhome/7_dna/codon_question.png)
What is the amino acid sequence for the following mRNA sequence: CUCAAGUGCUUC?
A. Val—Tyr—Arg—Gly
B. Val—Asp—Pro—His
C. Leu—Leu—Gly—Asp
D. Leu—Lys—Cys—Phe
9. Use the table showing mRNA codons to answer the question below.
(From http://www.safarikscience.org/biologyhome/7_dna/codon_question.png)
What would be the DNA sequence for a segment of protein with an amino acid sequence of
Val—Tyr—Arg—Gly?
A. CTGTATGCGCCC
B. CAGATAGCGCCC
C. GTCTATCGCGGG
D. GUCUAUCGCGGG
10. Use the table showing mRNA codons to answer the question below.
(From http://www.safarikscience.org/biologyhome/7_dna/codon_question.png)
What would be the amino acid sequence for the following DNA sequence: AAACCTAGT?
A. Ile – Pro – Ser
B. Phe – Gly – Ser
C. Ile – Gly – Ser
D. Phe – Pro – Ser
11. Use the table showing mRNA codons to answer the question below.
(From http://www.safarikscience.org/biologyhome/7_dna/codon_question.png)
During protein synthesis, tRNA molecules carried the following 3 amino acids to a ribosome:
Ala – Pro – His. What is the DNA sequence for these three amino acids?
A. CGAGGCGTA
B. GCUCCGCAU
C. GCTCCGCAT
D. CGTGGCGAA
Content Benchmark L.12.A.2
Students know DNA molecules provide instructions for assembling protein molecules. E/S
Answers to Sample Test Questions
1. C, DOK Level 1
2. D, DOK Level 1
3. B, DOK Level 1
4. D, DOK Level 1
5. C, DOK Level 1
6. A, DOK Level 2
7. C, DOK Level 2
8. D, DOK Level 2
9. B, DOK Level 2
10. B, DOK Level 2
11. A, DOK Level 2