Multiple choice:
1. Which of the following is not a step in gene expression?
(A) Transcription
(B) Translation
(C) Replication
(D) Splicing
Answer: (C)
2. The process of transcription produces:
(A) A complementary RNA strand
(B) A complementary DNA strand
(C) A protein
(D) A chromosome
Answer: (A)
3. Which of the following is not involved in translation?
(A) Ribosomes
(B) tRNA
(C) mRNA
(D) DNA polymerase
Answer: (D)
4. The genetic code is:
(A) A set of rules for translating RNA into proteins
(B) A set of rules for translating DNA into RNA
(C) A set of rules for translating DNA into proteins
(D) A set of rules for replicating DNA
Answer: (C)
5. The process of splicing removes:
(A) Introns from the RNA transcript
(B) Exons from the RNA transcript
(C) The 5' cap from the RNA transcript
(D) The poly-A tail from the RNA transcript
Answer: (A)
Short answer:
6. Briefly describe the three steps of gene expression.
7. What are the two types of RNA molecules that are produced during transcription?
8. What is the role of tRNA in translation?
9. What is the genetic code, and how does it work?
10. What is splicing, and why is it important?
Essay question:
11. Discuss the role of gene expression in the development of an organism. Use specific examples to illustrate your answer.