Chapter 9 Review: Gene Expression
1. What does “Gene Expression” mean? When are genes expressed?
2. Genetic Material = Nucleic Acids = DNA, RNA
a. What are the similarities and differences of DNA, RNA?
b. What are the three types of RNA? What is their structure?
c. What is the purpose for each type of RNA?
d. Where is the “Codon” found? The Anticodon?
3. What can proteins be used for in an organism?
4. Transcription
a. Purpose
b. Location
c. Process (3 steps)
d. Enzymes used
e. How is a mature mRNA produced (Introns, Exons, Splicing, Cap/Tail)
5. Translation
a. Purpose
b. Location
c. Process (3 Steps)
d. How is an amino acid chain modified to make a protein?
e. What are errors that can occur in translation? What is their result?
6. Viruses
a. Structure of a DNA virus
b. Structure of an RNA virus
c. Lytic vs. Lysogenic Cycles
d. How does your body fight viral infections? Are antibiotics useful, why or
why not?