reading guide questions ch 12&131.docx - Reading guide Chapter 12 pages 234 \u2013 249(Concepts 12.1-12.3 Chapter 13 pages 254 \u2013 264(Concepts

reading guide questions ch 12&131.docx - Reading guide...

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Reading guide Chapter 12, pages 234 – 249 (Concepts 12.1-12.3) Chapter 13, pages 254 – 264 (Concepts 13.1-13.3) Complete this reading guide as you read the textbook pages listed above. You might not have to read every word on every page, rather pay close attention to the questions in this guide and answer them as you work through the textbook. Also pay close attention to the terms that are underlined : these are key terms that you should know the definitions of and be able to apply in new situations. Remember that this reading guide may serve as your notes, concept list and study guide. For full credit, you need to fully complete the questions in black. Do NOT use outside, online resources for this reading guide. Stick to your book. There are items in red that you do not have to answer, but you are responsible for this information. You do not have to answer the red questions here because I covered them on the powerpoint presentation or you already learned them in previous chapters. What are three functions of cell division? See Figure 12.2. Reproduction, growth development and tissue renewal What is the cell cycle ? Life of a cell from the time it is formed during division of a parent cell until its divided into two daughter cells Know difference between chromosomes and chromatin . Look back at Concept 6.3 if you don’t remember How many chromosomes are in human somatic cells? How many are from each parent? How many chromosomes are in human gametes? After chromosomes duplicate, are the two sister chromatidsthat form identical? What is the roleof centromeres? Be able to describe/draw how the steps of mitosisand cytokinesislead to two new cells. Study figure 12.5to help here. Answer concept check 12.1 question 2 in the space below. 39,39,78
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Briefly describe in your own wordswhat happens in each stage of the cell cycle. See Figure 12.6 for a visualization of the cell cycle.
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