1st Semester 89 - BIOLOGY JUNCTION

AP Lecture Guide 12 – Cell Cycle

AP Biology: CHAPTER 12

CELL CYCLE

1. What is meant by the concept that cells go through a cell cycle?

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2. What are the key roles of cell division?

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3. What is the significance of chromosome replication?

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4. Sketch and label replicated chromosomes.

5. List the phases of the cell cycle with a brief description of what occurs in each phase.

a. _______________________________________________________________________

b. _______________________________________________________________________

c. _______________________________________________________________________

d. _______________________________________________________________________

e. _______________________________________________________________________

6. Label the stages and key features of each stage.

7. How does the spindle apparatus distribute chromosomes to the daughter cells?

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8. What is the role of the kinetochores and the microtubules?

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9. How does cytokinesis differ in animal and plant cells? Label the diagrams below.

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10. Eukatyotic mitosis is thought to have evolved from _________________________________

11. Why is the regulation of the cell cycle critical to normal cells?

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12. What is the G1 checkpoint and where does it fit into the cycle?

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13. What evidence is there that regulation is chemical in nature?

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14. Identify the role of the following in the cell cycle clock:

a. Kinase _________________________________________________________________

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b. Cyclin _________________________________________________________________

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c. CDKs _________________________________________________________________

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15. Describe the mechanism for regulating the passage of the cell into anaphase.

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16. Describe what triggers mitosis from G2.

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17. What is the role of ubiquitin?

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18. Describe a model for an external signal for growth.

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19. What happens when cancer develops?

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20. What is the role of p53?

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AP Lecture Guide 20 – DNA Technology

AP Biology: Chapter 20

DNA TECHNOLOGY

1. Define biotechnology.

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2. What is meant by “recombinant DNA technology?”

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3. List some of the organisms we have been modifying for many hundreds of years.

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4. Why are bacteria ideal workhorses for biotechnology?

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5. What are other organisms used in biotechnology?

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6. How does gene cloning differ from human cloning?

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7. Why is DNA cloning considered an important technology?

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8. What are plasmids?

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9. What is the function of restriction enzymes in bacteria?

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10. How do bacteria protect their DNA from the effects of the restriction enzymes?

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11. How do biologists make use of restriction enzymes?

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12. What is a genomic library?

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13. How is cDNA different from typical eukaryote DNA?

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14. Describe the steps involved in cloning a gene.

15. How can transformed bacteria that carry genes of interest be identified and isolated from the majority of non-transformed bacteria?

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16. What can be accomplished with Nucleic Acid Hybridization?

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17. What is the purpose of the Polymerase Chain Reaction?

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18. List some advantages & uses of the PCR technique.

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19. How are DNA fragments of different sizes separated?

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20. What is a RFLP? How are they made?

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21. What does the technique of Southern Blotting accomplish?

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22. What are some other techniques that build on the Southern Blotting technique?

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23. What was the goal of the Human Genome Project?

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24. List some of the most important things we learned by completing the Human Genome Project.

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25. What is the Sanger Sequencing Method used for?

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26. How does the shot-gun approach differ from the whole-genome sequencing?

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27. In the future, DNA chips may be used for regular diagnostics. What do the florescent spots indicate when the chip is read?

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28. How can DNA technology be used to diagnose a carrier of a genetic disorder?

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29. What is the goal of gene therapy?

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30. How has forensics made use of DNA technology? Give a specific example.

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31. What is currently used by the FBI to do a DNA fingerprint in a criminal investigation?

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32. What technique has been used to modify agricultural plants?

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33. List a few of the traits that have been engineered into agricultural plants? Could any of these

pose an environmental threat?

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AP Lecture Guide 05A – Macromolecules

AP Biology: CHAPTER 5A

MACROMOLECULES

1. Define the following:

a. monomer _______________________________________________________________

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b. polymer _________________________________________________________________

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c. condensation reaction _____________________________________________________

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d. hydrolysis _______________________________________________________________

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2. Which foods do you think will enter the blood the quickest? Why?

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3. What are the general roles of carbohydrates? ______________________________________

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4. List some monosaccharides with their molecular formulas.

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5. Double sugars are called ______________________________________________________

6. List the monosaccharides that form each:

a. maltose _________________________________________________________________

b. sucrose _________________________________________________________________

c. lactose __________________________________________________________________

6. Polymers of sugars form _______________________________________________________

7. Which forms of polysaccharide is best for each function:

a. Strength of structure _______________________________________________________

b. Storage and sugar release __________________________________________________

c. What theme is this addressing? ______________________________________________

8. How does the alpha differ from the beta form of glucose and why is it significant to animals?

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9. How do the role and structure of the following polysaccharides compare?

a. starch___________________________________________________________________

b. glycogen ________________________________________________________________

c. cellulose_________________________________________________________________

10. Ninety percent of Asians, 75% of African-Americans, and a much smaller percent of

northern Europeans are lactose intolerant. Why do you suppose we see this pattern?

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AP Lecture Guide 13 – Meiosis and Sexual Life Cycles

AP Biology: CHAPTER 13

MEIOSIS AND SEXUAL LIFE CYCLES

1. The key features of the two versions of reproduction.

a. Asexual Reproduction ____________________________________________________

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b. Sexual Reproduction _____________________________________________________

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2. What is the role of meiosis in sexual reproduction?

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3. What is a karyotype?

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4. Identify several things the can be seen with a karyotype?

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5. Label the diagram of the human lifecycle. Include the chromosome numbers.

6. Compare the products of mitosis with meiosis.

a. Mitosis ________________________________________________________________

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b. Meiosis ________________________________________________________________

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7. Meiosis is said to be a double division. Explain.

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8. Meiosis is an important source of variation. Define and describe how each of the following

contributes to variation within a species.

a. Independent Assortment __________________________________________________

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b. Random fertilization ______________________________________________________

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c. Crossing Over __________________________________________________________

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9. Draw a pair of homologous chromosomes and indicate a crossing over event and the products.

10. List the significant differences between mitosis and meiosis.

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11. What is the significance of genetic variation and natural selection?

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AP Lecture Guide 22 – Descent with Modification

AP Biology: CHAPTER 22- DESCENT WITH MODIFICATION

1. Identify the three significant historical themes that set the stage for Darwinian evolutionary

theory.

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2. What were the two major points made in The Origin of Species?

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3. What were the conventional paradigms in the 1800’s when Darwin developed his theories?

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4. What was the contribution of Carolus Linnaeus to the evolutionary theories?

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5. How did the study of fossils help Darwin shape his theories?

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6. How did geological gradualism and uniformitarianism influence Darwin?

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7. Identify the two principles of Lamarck’s theory of evolution.

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8. How did the observations during his voyage on the Beagle influence Darwin’s theories?

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9. Why were the Galápagos Islands so important to Darwin’s observations?

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10. What are the elements for the formation of new species?

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11. What is the driving force behind the evolution of the 14 species of finches on the

Galapagos?

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12. What was Wallace’s role in the Theory of Natural Selection?

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13. What were the main points of The Origin of Species?

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14. Define Descent with Modification.

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15. How does the “tree analogy” represent the evolutionary relationships of creatures?

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16. Summarize the observations and inferences recognized as the backbone of evolution by

natural selection.

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17. Observations:

a. ______________________________________________________________________

b. ______________________________________________________________________

c. ______________________________________________________________________

d. ______________________________________________________________________

e. ______________________________________________________________________

18. Inferences:

a. ______________________________________________________________________

b. ______________________________________________________________________

c. ______________________________________________________________________

19. How did Darwin’s experience with artificial selection influence his theories of evolution?

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20. For each of the following, indicate how it is used as evidence of evolution by natural

selection.

a. Paleontology ____________________________________________________________

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b. Biogeography ___________________________________________________________

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c. Resistance to insecticides _________________________________________________

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d. Drug Resistance _________________________________________________________

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e. Homology ______________________________________________________________

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f. Homologous structures ___________________________________________________

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g. Vestigial organs _________________________________________________________

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h. Embryology ____________________________________________________________

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i. Biochemical similarity _____________________________________________________

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