Review for DNA, RNA, Protein Synthesis and Cell Membrane
1.
What is the shape of a DNA molecule?
2.
What is the name for one chain of nucleotides in a DNA molecule?
3.
Name the components/chemicals in DNA. How are they arranged?
4.
Why is DNA replication said to be semi-conservative?
5.
Name the three steps in DNA replication.
6.
What are the enzymes for each step?
7.
What is the role of each enzyme?
8.
What are two chemicals that are in RNA but not in DNA?
9.
What is the shape of RNA?
10.
What are the types of RNA? Use the full names.
11.
Where is each type found?
12.
What is the structure/shape of each type?
13.
What is the role/function of each type?
14.
What is the DOGMA of protein synthesis?
15.
Describe step one of protein synthesis.
16.
What are the three steps of the second step?
17.
Describe each step.

18.
Where does the completed polypeptide go?
19.
What model describes the cell membrane?
20.
Explain how the two terms in the model name make sense.
21.
What type of protein causes a chemical reaction?
22.
What type of protein interacts with a hormone and changes the behaviour of a cell?
23.
What is the difference between a channel and a carrier protein?
24.
What is the definition of diffusion?
25.
What is the end result of diffusion?
26.
Give some examples of diffusion.
27.
Compare and contrast simple diffusion with facilitated diffusion.
28.
What are the components of a solution? Give an example.
29.
What is osmosis?
30.
If a solution has more solute than another then it is __________tonic.
31.
If a solution has less solute than another then it is ___________tonic.
32.
Water moves from _________tonic areas to _________tonic areas.
33.
Describe and name the result of too much water entering a cell.
34.
Describe and name the result of too much water leaving a cell.
35.
What do diffusion and osmosis have in common?
36.
What types of materials cannot freely flow across a cell membrane?
37.
How can these materials get across the membrane?
38.
What does selectively permeable mean?
39.
What do active transport and vesicle formation have in common?

40.
What is active transport?
41.
What is the term for material leaving a cell through a vesicle?
42.
What is the term for material entering a cell through a vesicle?
43.
What is the difference between pinocytosis and phagocytosis?
Homework
Assignment # 1
What is the definition of recombinant DNA? With specific details, name a use of rDNA.
Assignment #2
Why can’t cells be bigger than they are?
Please email answers to me at perchingbirds@yahoo.ca
The test will include questions based on these two assignments.