Name ____________________________
Date ___________
Biology
Unit 7 Test Review Sheet
Molecular Genetics & Biotechnology (Chapter 12 and 13)
Chapter 12 :
1. What 2 compounds make up the “backbone” of the DNA (the sides of DNA):
2. What 1 compound makes up the “rungs” of the DNA (the middle/steps):
3. What are the 3 parts of a nucleotide?
4. What is the base-pair rule for DNA? A bonds with _____ & C bonds with _____
5. What is the base-pair rule for RNA? A bonds with _____ & C bonds with _____
6. What are the 3 main difference between DNA & RNA:
a. DNA contains the sugar _______________ while RNA has ribose.
b. DNA is a double helix while RNA has a _______________________
c. DNA has Thymine while RNA has ________________
7. Where does transcription take place? _____________
8. What is made during transcription? ________
9. Where does translation take place? _______________
10 What is made during translation? _______________
11. Draw a picture (page 339 in textbook is one example) of translation and LABEL the
following (mRNA, Codon, tRNA, anticodon, amino acid, protein chain)
12. AUG is the “start” condon. What amino acid does it code for (use your text book pg 338)
13. What is a mutation?
14. What are some causes of mutations?
15. Identify the following pictures of mutations as
deletion, duplication, & translocation, insertion, inversion
16. Distinguish between DNA and Chromsomal Mutations.
17. Distinguish between Point Shift and Frameshift Mutations. Which type of mutations
frameshift? Which type of mutation is Point shift?
18. If a person is exposed to extreme radiation and develops cancer in their brain, are they
likely to pass on the cancer to their children? Why not?
19. What is genetic engineering?
20. What is a transgenic organism and give an example:
21. What is cloning? Who is “Dolly”?
19. What are DNA fingerprints and list two ways it is helpful?