Name: ________________________________Period: ___________ Date:_____________ Chapter 10: Cell Division Study Guide 1. Label the cell cycle phases below and use one or a few words to describe what is happening in each: 2. Why do different cells in your body divide at different rates? a. Depending on their ______________, they have different rates of wear & tear 3. What happens to the surface area-to-volume ratio when cells get too big? It gets too ____. 4. List vocab words for the following: a. A single molecule of DNA plus protein: ________________________ b. Loosely packed DNA and proteins during interphase: _______________ c. The proteins that DNA coils around: _________________________ d. One identical half of a copied chromosome: ____________ ________________ e. The protective ends of chromosomes: ____________________ f. The middle of a chromosome, where chromatids are attached to each other: ________________________ 5. Sketch and label the four phases of mitosis below. Include one big and one small chromosome: i. Name of phase: Sketch: a.___________________________ b.___________________________ c.___________________________ d.___________________________ 6. List the two parts of cell division (M phase) that need to happen to be complete: a. ________________________________________ b. ________________________________________ Name: ________________________________Period: ___________ Date:_____________ 7. Circle the correct answer: After cell division (mitosis & cytokinesis), are the two cells: a. the same/different as each other? b. the same/different amount of chromosomes as the parent cell? 8. How are external and internal factors different? How are they the same? a. different because: __________________________________________________ b. alike because: _______________________________________________ 9. Which two internal factors help cells advance in the cell cycle? ____________ & kinases 10.What are the two types of cell death? ___________________ & ___________________ a. circle the type of cell death that is a normal part of embryonic development 11.List the vocab word that goes with each statement: a. tumor that stays put and is relatively harmless: ________________ b. a tumor that breaks away and spreads in an organism: ___________________ c. any disease classified by uncontrolled cell division: ___________________ d. a substance known to promote or produce cancer: ____________________ e. breaking away from a tumor and growing in another part of the body: __________ 12.List two treatments for cancer: ___________________________ & ___________________________ 13.List the right words for each short description. Some may not be vocab words: a. the making of offspring from one or more parents: ____________________ b. reproduction done by eukaryotes using mitosis – involves only one parent: ______ c. asexual reproduction done by prokaryotes (2 words): ___________ ____________ d. reproduction done by eukaryotes involving two parents: ____________________ 14.What are three different ways eukaryotes can reproduce asexually? a. __________________________ b. __________________________ c. __________________________ 15.Circle the correct answer: a changing environment would be better suited for organisms that reproduce sexually/asexually. Name: ________________________________Period: ___________ Date:_____________ 16.List the levels of organization from least to most complex: organism, tissue, organ system, cell, organ a. ________________________________ b. ________________________________ c. ________________________________ d. ________________________________ e. ________________________________ 17.What is the term for how your cells develop into their mature form and function through small changes during repeated rounds of mitosis? Mitosis & _______________________ 18.In a developing embryo, cells differentiate based on their location in the embryo. What will each become? a. Inner (endoderm): ______________________________ b. Middle (mesoderm): _____________________________ c. Outer (ectoderm): _______________________________ 19.What is a stem cell? ______________________________________________________________________ 20.Classify types of stem cells according to their potential to become other cells in the body: a. can become any cell type in the body: _______________________ b. can become nearly any cell type except for totipotent cells: ___________________ c. can become only cell types that are closely related: _________________________ 21.List two sources of stem cells: _______________________ & ________________ 22.List a couple of ways stem cells are being used to help people: a. ______________________________________________ b. ______________________________________________