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Bio Boot Camp

Bio Boot Camp. Cells. 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

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Bio Boot Camp

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  1. Bio Boot Camp 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. Thermoregulation Methods of Maintaining Homeostasis • Ectotherms – reptiles, fish and amphibians

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

  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

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

  19. Organization

  20. Structure and function are related!

  21. Structure and function are related!

  22. Structure and function are related!

  23. Plasma Membrane Fluid Mosaic Model

  24. Passive transport - NO energy • Diffusion

  25. Passive transport - NO energy • Osmosis

  26. Passive transport - NO energy • Osmosis

  27. Passive transport - NO energy • Facilitated Diffusion

  28. Active Transport – requires energy • Cell Membrane Pumps

  29. Active Transport – requires energy • Endocytosis

  30. Active Transport – requires energy • Exocytosis

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

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