Unit 3 Study Guide
Molecular Genetics
Directions: Rewrite the questions on a sheet of notebook paper and answer each question
underneath. No TYPED study guides will be accepted. Your study guide will be turned in
before the exam for a silver grade.
1.
2.
3.
4.
What is the primary transcript?
What is the secondary transcript?
What is a transgenic organism? Why could they pose a threat to us?
What are the 6 modifications that must be made to mRNA before it can leave the
nucleus?
5. What are the Eukaryotic DNA control mechanisms? Where are the proteins destined
in the final two?
6. In what direction is a DNA strand read?
7. What is the difference between a protein folded in a Chaperonin and in the Rough
ER? Where will each be transported?
8. What are the types of mutations and their effect on DNA coding?
9. Where does a transposon attach to prevent transcription?
10.What is the Human Genome Project?
11.What are the parts of a DNA strand and be able to identify them on a diagram.
12.What is Chargaff’s Rule? What must the nucleotides equal?
13.Why is it important to control protein production within cells by operons and
transposons?
14.Know and recognize the parts of a DNA molecule.
15.What are the four bases of DNA?
16.What are the four bases of RNA?
17.Describe the steps of DNA replication in detail including the following:
a. Where it occurs within the cell.
b. What organelles are involved?
c. What enzymes are involved?
18.Describe the steps of Transcription in detail including the following:
a. Where it occurs within the cell.
b. What organelles are involved?
c. What enzymes are involved?
19.Describe the steps of Translation in detail including the following:
a. Where it occurs within the cell.
b. What organelles are involved?
c. What enzymes are involved?
20.What is a transposon?
21.What type of sugar is part of a DNA molecule?
22.Know the types of operons and whether they turn transcription “on” or “off”.
23. What is the difference between the leading strand and the lagging strand?