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Bio1 MidTerm 2of2

study guide for Ross midterm 1st semester end of 1st term

QuestionAnswer
21. What should you do if you have a dull scalpel? dispose of blade properly; replace with a new one
22. What should you do if you come in contact with a live specimen? wash hands thoroughly
23. Name the factors that affect photosynthesis: light, temperature, and carbon dioxide
24. What substance is released by organisms undergoing cellular respiration? carbon dioxide and water
25. What organelle does cellular respiration occur in? mitochondria
26. What has to happen before mitosis begins? chromosomes / DNA are copied
27. What are some benefits of sexual reproduction? genetic variation in populations allows for adaptation
Name the factors that affect photosynthesis: movement of water from high- to low-concentration
29. What are some differences in plant cell mitosis and animal cell mitosis? plant cells form a cell plate; animal cells have centrioles and pinch in
30. What happens at the beginning of prophase? nuclear membrane disappears and chromosomes become visible
31. What does meiosis do to the chromosome number of cells? cuts it in half
32. What happens in sexual reproduction? How is a zygote formed? sperm and egg join in process of fertilization to form a zygote
33. What is the result of asexual reproduction? offspring that are genetically identical to the parent
34. When is DNA replicated during the cell cycle? during the "s" phase
35. What are the phases of mitosis in order? a) prophase; b) metaphase; c) anaphase; d) telophase
Created by: BayHighScience
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