1. Cells

2. Sample Question 1 Which of the following is an example of homeostasis found in your body? a. you eat food because it tastes good b. you shiver because you are cold c. you stay well because you take antibiotics when you’re sick d. you get sick when invaded by a pathogen e. you eat more and gain weight

3. Sample Question 2 What is the major difference between prokaryotes and eukaryotes? a. Prokaryotes used photosynthesis and eukaryotes don’t use photosynthesis b. Prokaryotes have a nucleus and eukaryotes do not have a nucleus c. Prokaryotes do not have DNA and eukaryotes do have DNA d. Prokaryotes do not have a nucleus and eukaryotes do have a nucleus e. Prokaryotes used photosynthesis while eukaryotes use respiration

4. Sample Question #3 How is osmosis different from diffusion? a. osmosis refers to the movement of ions across the membrane while diffusion is a special type of osmosis b. osmosis is a special type of diffusion involving only water c. osmosis requires energy and diffusion does not d. osmosis requires proteins and diffusion does not

5. All living things have:

6. Have Cells Unicellular Multicellular

7. Respond to stimuli

8. Maintain homeostasis

9. Metabolism Autotrophs Heterotrophs

10. Growth and development Growth Development

11. Reproduction Sexual Asexual

12. Change through time

13. Methods of Maintaining Homeostasis Ectotherms – reptiles, fish and amphibians Thermoregulation

14. Methods of Maintaining Homeostasis Endotherms – mammals and birds Thermoregulation

15. Methods of Maintaining Homeostasis Water regulation (osmoregulation)

16. Methods of Maintaining Homeostasis Oxygen regulation

17. CELLS Prokaryotes Eukaryotes Unicellular Lack true nucleus Lack membrane-bound organelles Have single loop of DNA Have ribosomes Ex: bacteria Uni or multicellular Have a true nucleus Have a wide variety of membrane-bound organelles Have DNA in chromosomes Ex: fungi, protists, plants, animals

19. Cell Organelles – tiny structures that carry out functions necessary for the cell to stay alive

21. Organization

23. Structure and function are related!

26. Plasma Membrane Fluid Mosaic Model

27. Passive transport- NO energy Diffusion

28. Passive transport- NO energy Osmosis

29. Passive transport- NO energy Osmosis

30. Passive transport- NO energy Facilitated Diffusion

31. Active Transport – requires energy Cell Membrane Pumps

32. Active Transport – requires energy Endocytosis

33. Active Transport – requires energy Exocytosis

34. Transport in Cells Uses vesicles Involves the endoplasmic reticulum and golgi apparatus