SBI4U: Exam Review June 2014
Name: ______________________
INSTRUCTIONS: Complete the following questions in pen or pencil and hand in on the day of the exam.
Note: The page references refer to your Nelson Biology 12 textbook – therefore you will need your textbook to
complete the review.
Review Questions for Unit 1
1. Nelson Biology 12, Page 86 # 1, 2, 6-10, 13, 26, 27
2. page 196 #2-4, 6, 12
3. page 198 #36
4. Draw an alpha glucose molecule. Show the dehydration synthesis reaction between 2 alpha glucose molecules.
Name the products formed. Label the new linkage.
5. Compare the structure and properties of the four types of lipids.
6. Describe the interactions that result in secondary and tertiary structure of a polypeptide.
7. What does induced-fit model refer to?
8. A) Draw a typical animal cell, include 8 organelles and give their function.
B) List two other structures you would find in a plant cell and give their function.
9. A) Compare diffusion, osmosis and exocytosis.
B) Give examples of their use in the different units of the course.
10. A red blood cell is placed into a solution and it bursts, describe the concentrations of the solutions and what has
occurred.
Review Questions for Unit 2
1. Page 86 #20, 22, 24
2. Page 134 #6, 10
3. page 196 #13
4. page 197 #17, 24, 23,
5. page 198 # 37.
6. Summarize the 4 major phases of glycolysis.
7. Describe the reactions that occur in pyruvate oxidation. Where does this reaction take place?
8. What happens in the Kreb's Cycle? What are the four major products and where do they go next?
9. Sketch a diagram of a chloroplast and label it. Indicate where the processes of photosynthesis occur.
10. Outline the 3 Phases of the Calvin Cycle.
Review Questions for Unit 3
1. pages 324-325 # 3-12, 13-15, 18-22, 23a-f and i, 24, 29, 34
2. Identify the work of 3 key scientists involved in the history of DNA.
3. Draw a diagram of double stranded DNA, at least 3 nucleotides long on each strand. Label the key parts of the
nucleotide as well as the major bonds involved.
4. How is each term important in DNA replication?
Topoisomerase II (DNA gyrase)
DNA polymerase I
DNA ligase
ORC
primase
DNA polymerase III
RNA primer
DNA helicase
replication fork
leading strand
lagging strand
exonuclease
dehydration synthesis Okazaki fragments
phosphodiester bond
SSBs origin of replication
5. Give two major points for each of the following phases of transcription: initiation, elongation, and termination.
SBI4U: Exam Review June 2014
Name: ______________________
Review Questions for Unit 4
1. pages 500-503, Q# 1, 3, 5, 11, 12
2. Define homeostasis and dynamic equilibrium.
3. Be able to draw a feedback loop for: Thermoregulation, Blood Glucose, Osmotic Pressure, and the Male and
Female Reproductive hormones
4. What is the major waste component of urine? Where does it come from / how is it produced?
5. Draw a simple sketch of the nephron. Identify the key parts. What are their functions?
6. Compare/contrast steroid hormones and protein hormones.
7. Draw a simple sketch of a neuron. Identify the key parts. What are their functions?
8. How does a reflex arc work? Describe the pathway.
9. a) Draw a graph showing the electrochemical potential changes in an action potential. Label what is occurring.
Use terms like depolarization, repolarization, threshold level, ion gates, resting potential, sodium ions and
potassium ions, refractory period.
10. a) Draw and label a synapse.
b) Describe how a signal travels from the pre-synaptic to post-synaptic neuron.
Review Questions for Unit 5
1. pages 693 Q# 8, 9, 11-13
2. p 694-695 # 2, 3, 5-7, 15
3. Distinguish between:
a. population size, population density,
b. quadrat sampling, mark-recapture,
c. density-dependent / independent factors,
d. symbiosis, parasitism, mutualism, commensalism,
e. interference competition, exploitative competition,
f. Batesian, Mullerian mimicry
4. Describe Type I and Type III survivorship curves and give an example of an organism for each.
5. Define and describe graphically: geometric, exponential and logistic growth.
6. What is the Allee effect? How does it relate to inbreeding depression, minimum viable population size?
7. How has the growth in the food industry affected the sustainability of the Earth? What changes are being made?
8. Review your sample problems for unit 5 and be able to use the formula sheet.