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Biology Review Semester 1

Biology Review Semester 1. Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50

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Biology Review Semester 1

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  1. Biology Review Semester 1

  2. Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, Smithers counts how many stacks of papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks. Answer Questions 1-7 based on this information.

  3. 8. Which of these is a plant cell? Which is an animal cell? 9. Compare & contrast plant and animal cell structures – include at least 6 cell parts.

  4. 10. What is wrong with this graph?

  5. 11. What is wrong with this graph?

  6. 12. What is wrong with this graph? Year

  7. 13. What is wrong with this graph (besides the missing data point)?

  8. 14. What is wrong with this graph? °

  9. 15. Label the parts (A-F) of the enzyme reaction shown below. Then answer questions G – I D E C F G. Model? H. What does this model tell us about enzymes? I. Reaction Type?

  10. 16. Label the parts (1-6) of the enzyme reaction shown below. Then answer questions 7 - 9 1 3 4 5 2 6 7. Model? 8. Reaction Type? 9. What role do enzymes play in organisms?

  11. Bart believes that mice exposed to microwaves will become extra strong (maybe he's been reading too much Radioactive Man). He decides to perform this experiment by placing 10 mice in a microwave for 10 seconds. He compared these 10 mice to another 10 mice that had not been exposed. His test consisted of a heavy block of wood that blocked the mouse food. He found that 8 out of 10 of the microwaved mice were able to push the block away. 7 out of 10 of the non-microwaved mice were able to do the same. Answer Questions 17 - 23 based on this information.

  12. Ethylene is a plant hormone that causes fruit to ripen. My uncle plans to spray his apple orchards with ethylene to see if it really has an effect. 24. Write a hypothesis for this experiment.

  13. 25. Graph the data shown in this data table.

  14. Final Review – Life Cycles 26. Three times Mitosis occurs in humans are: __________________ __________________ __________________ 27. Which cells in your body undergo Mitosis? ______________________________ 28. How many chromosomes are in a human body cell before and after mitosis occurs? Before _____ After _____ If a crayfish has 100 chromosomes before mitosis, how many will it have in each cell after mitosis? _______

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