1. AP BIOLOGY REVIEW PART 1 – MOLECULES AND CELLS Aim at receiver and click the letter of the appropriate response!

2. 1. Which process produces the most ATP? 1.Oxidative phosphorylation 2.Carbon fixation 3.Glycolysis 4.Transition reaction

3. 1. Which process produces the most ATP? 1.Oxidative phosphorylation 2.Carbon fixation 3.Glycolysis 4.Transition reaction

4. 2. Which organelle is most closely related to protein synthesis? 1.Mitochondrion 2.Golgi Apparatus 3.Rough ER 4.Smooth ER

5. 2. Which organelle is most closely related to protein synthesis? 1.Mitochondrion 2.Golgi Apparatus 3.Rough ER 4.Smooth ER

6. 3. Which is TRUE regarding RNA? 1.It forms a helix 2.Thymine is the most common nucleotide base 3.Its role is limited to transcription 4.Its origin likely preceded that of DNA

7. 3. Which is TRUE regarding RNA? 1.It forms a helix 2.Thymine is the most common nucleotide base 3.Its role is limited to transcription 4.Its origin likely preceded that of DNA

8. 4. Which group of biochemicals contain peptide bonds? 1.Carbohydrates 2.Lipids 3.Proteins 4.Nucleic acids

9. 4. Which group of biochemicals contain peptide bonds? 1.Carbohydrates 2.Lipids 3.Proteins 4.Nucleic acids

10. 5. Which biochemical process requires a net consumption of energy (is endergonic)? 1.Glycogenolysis 2.Fatty acid degradation 3.The Calvin Cycle 4.The Citric Acid Cycle

11. 5. Which biochemical process requires a net consumption of energy (is endergonic)? 1.Glycogenolysis 2.Fatty acid degradation 3.The Calvin Cycle 4.The Citric Acid Cycle

12. 6. Which level of protein structure is exemplified by alpha helices? 1.Primary 2.Secondary 3.Tertiary 4.Quaternary

13. 6. Which level of protein structure is exemplified by alpha helices? 1.Primary 2.Secondary 3.Tertiary 4.Quaternary

14. 7. The sodium-potassium pump and proton pumps are examples of … 1.Diffusion 2.Facilitated transport 3.Active transport 4.Exocytosis

15. 7. The sodium-potassium pump and proton pumps are examples of … 1.Diffusion 2.Facilitated transport 3.Active transport 4.Exocytosis

16. 8. Which is found in prokaryotic cells? 1.Nucleus 2.Ribosome 3.Chloroplast 4.Centrioles

17. 8. Which is found in prokaryotic cells? 1.Nucleus 2.Ribosome 3.Chloroplast 4.Centrioles

18. 9. Which contains digestive enzymes? 1.Lysosomes 2.Contractile vacuoles 3.Storage vacuoles 4.Vesicles

19. 9. Which contains digestive enzymes? 1.Lysosomes 2.Contractile vacuoles 3.Storage vacuoles 4.Vesicles

20. 10. Which stage of mitosis is shown? 1.Prophase 2.Metaphase 3.Anaphase 4.Telophase

21. 10. Which stage of mitosis is shown? 1.Prophase 2.Metaphase 3.Anaphase 4.Telophase

22. 11. Which of the following is NOT an organic compound? 1.Na 2 S 2 O 3 2.CH 4 3.C 6 H 5 OH 4.(NH 2 ) 2 CO

23. 11. Which of the following is NOT an organic compound? 1.Na 2 S 2 O 3 2.CH 4 3.C 6 H 5 OH 4.(NH 2 ) 2 CO

24. 12. Which statement about enzymes is FALSE? 1.Enzymes are almost always proteins 2.Enzyme activity is affected by changes in pH 3.Enzymes increase the rates of reactions 4.Enzymes increase the activation energy of the average cellular reaction

25. 12. Which statement about enzymes is FALSE? 1.Enzymes are almost always proteins 2.Enzyme activity is affected by changes in pH 3.Enzymes increase the rates of reactions 4.Enzymes increase the activation energy of the average cellular reaction

26. 13. Which of the following can only be observed using an electron microscope? 1.A bacterium cell 2.A virus 3.A human chromosome at metaphase 4.A nucleus

27. 13. Which of the following can only be observed using an electron microscope? 1.A bacterium cell 2.A virus 3.A human chromosome at metaphase 4.A nucleus

28. 14. A mature plant cell can be distin- guished from other eukaryotic cells because it has … 1.Energy-producing mitochondria 2.A rough endoplasmic reticulum 3.Chloroplasts 4.A large central vacuole

29. 14. A mature plant cell can be distin- guished from other eukaryotic cells because it has … 1.Energy-producing mitochondria 2.A rough endoplasmic reticulum 3.Chloroplasts 4.A large central vacuole

30. 15. What is the function of O 2 in aerobic metabolism? 1.Oxidizes glucose, making it more soluble in water 2.Accepts electrons through the electron- transport chain 3.Activates enzymes in the Krebs Cycle 4.Transforms ion gates to allow diffusion of K +

31. 15. What is the function of O 2 in aerobic metabolism? 1.Oxidizes glucose, making it more soluble in water 2.Accepts electrons through the electron- transport chain 3.Activates enzymes in the Krebs Cycle 4.Transforms ion gates to allow diffusion of K +

32. 16. Which of the following statements is true about both C4 and CAM plants? 1.They do not use ATP from the light reactions 2.They have adapted to live in cold, dry habitats 3.They fix CO 2 in different ways than C3 plants 4.They do not require sunlight to complete photosynthesis

33. 16. Which of the following statements is true about both C4 and CAM plants? 1.They do not use ATP from the light reactions 2.They have adapted to live in cold, dry habitats 3.They fix CO 2 in different ways than C3 plants 4.They do not require sunlight to complete photosynthesis

34. 17. The product(s) of the light reactions of photosynthesis is/are … 1.Pyruvate 2.Glucose 3.ATP and NADPH 4.CO 2 and H 2 O

35. 17. The product(s) of the light reactions of photosynthesis is/are … 1.Pyruvate 2.Glucose 3.ATP and NADPH 4.CO 2 and H 2 O

36. 18. Which of the following cell types would most likely have the greatest concentration of mitochondria? 1.A red blood cell 2.A xylem cell 3.A neuron 4.A smooth muscle cell

37. 18. Which of the following cell types would most likely have the greatest concentration of mitochondria? 1.A red blood cell 2.A xylem cell 3.A neuron 4.A smooth muscle cell

38. 19. Which of the following would be identified by the presence of ribosomes, simple flagella, a cell wall, and the absence of membrane-bound organelles? 1.An ameba 2.An algal organism 3.A bacterium 4.A muscle cell

39. 19. Which of the following would be identified by the presence of ribosomes, simple flagella, a cell wall, and the absence of membrane-bound organelles? 1.An ameba 2.An algal organism 3.A bacterium 4.A muscle cell

40. 20. If a cell containing 13% solutes is placed into an environment containing 15% solutes … 1.Water will move into the cell 2.The cell is in a hypotonic solution 3.The cell may suffer plasmolysis 4.Salts will move out of the cell

41. 20. If a cell containing 13% solutes is placed into an environment containing 15% solutes … 1.Water will move into the cell 2.The cell is in a hypotonic solution 3.The cell may suffer plasmolysis 4.Salts will move out of the cell