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Unit 3: Cells & Homeostasis

The Inner Life of a Cell


In this unit you will analyze the relationship between structure and function in living systems at a variety of organizational levels, and recognize living systems’ dependence on natural selection.





Inquiry Questions:
1. How are cell structures adapted to their functions?
2. What variables affect the rate of transport across a membrane?
3. Why is it important that cell membranes are selectively
permeable?
4. How does a cell maintain homeostasis both within itself and
as part of a multicellular organism?
5. How can an experiment be designed and conducted to test for adaptive homeostasis during exercise and other body activities?
6. Where and when are negative versus positive feedback loops more effective in the human body?
Science Standards:

Standard 3: Students know and understand the characteristics and structure of living things, the processes of life, and how living things interact with each other and their environment.

5. The human body functions in terms of interacting organ systems composed of specialized structures that maintain or restore health

9. Cellular organelles have specific functions (for example: the relationship of ribosomes to protein, and the relationship of mitochondria to energy transformation)
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