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Microbiology

Microbiology. The study of Life. Warm up 1/12/12. Read the statement below and defend (back up) or dispute (argue against) the claim: “Something is alive when it has the ability to think, breathe and move”. Announcements. There will be no tutoring next Monday. MLK day.

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Microbiology

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  1. Microbiology The study of Life

  2. Warm up 1/12/12 Read the statement below and defend (back up) or dispute (argue against) the claim: “Something is alive when it has the ability to think, breathe and move”

  3. Announcements There will be no tutoring next Monday. MLK day. I will stay afterschool on Tuesday of next week. I will have grade conferences on Tuesday to let you know your current grade and what you need to make up. It is your responsibility to see me to get this work. I will be calling parents with FAILURE notices on Tuesday as well. Therefore, get your work done and make it up now, so that I can update it. Being absent, is not an excuse. It is your responsibility to get the work done!

  4. I Robot Video Be sure to pay attention to the differences between the human (Will Smith) and the Robot. As you are watching, keep these questions in mind: How are the two similar? How are they different? What is the difference between a Father and Creator in this case? Why is this robot considered strange?

  5. What makes something living? Watch this clip from I, Robot

  6. Reflection Questions With a partner, answer the following questions on your worksheet (4 min) • Do you think the robot is living or non living? • What “requirements” must something have to be considered living? • Create a list of at least 3 (observable) requirements

  7. LIVING One partner come to the board and write down ONE WORD that you think makes you living…

  8. Characteristics of living things Living things have these characteristics: Organization The ability to grow and develop Respond to stimuli in their environment The ability to reproduce

  9. Organization Organized- living things need to be organized so that it can conduct all of the things necessary to be alive. Some organisms are simple (bacteria) while others are more complicated (human beings). As a result, bacteria is less organized than a person.

  10. Growth and development The needs of an organism also determines how it grows, changes and develops. Some change very quickly and grow fast, while others are slower. The changes that take place are based on what the organism needs to survive.

  11. Response to stimuli All things that are alive need to react to things going on around them. If they could not, they would not be able to adapt to things so that they could stay alive.

  12. Reproduction If things don’t reproduce, how could they keep living? Simply put, living things need to replenish themselves or they would go extinct.

  13. Is it living? Wind River Tree

  14. Living or Nonliving? Rain Nonliving

  15. Living or Nonliving? Baby Living

  16. Living or Nonliving? Lemon Living

  17. Living or Nonliving? Lemonade Nonliving

  18. Living or Nonliving? Seahorse Living

  19. Living or Nonliving? Waterfall Nonliving

  20. Living or Nonliving? Waterfall Nonliving

  21. Being Alive vs. Being a Living Thing Being alive means that you are not dead! This means that you continue to change, grow, and respond to your environment. Being a living thing means that you’re not nonliving. Therefore, you meet all four requirements of being a living thing.

  22. Practice (2 mins) List the following items in your notebook and classify them as living or non living: Tree Spider iPhone Chemicals Bacteria Frogs Nitrogen Alge

  23. All Living things are… MADE OF CELLS

  24. What are Cells? • Cells are the smallest unit of life. Living things can be unicellular or multicellular.

  25. How Many Wheels Does a UNIcycle have?

  26. Therefore, how many cells does a UNIcellular organism have?

  27. Unicellular • unicellular – made up of only one cell • Ex: bacteria, ameobas

  28. Multi-cellular • multicellular – made up of many cells • Ex: Man, killer whale, plants

  29. Independent practice Reflection: Think back to the video clips that we watched in class. Think back to the characteristics of living things. In 2 paragraphs or more write a response to my claim: “Robots like Sunny in the movie I Robot have feelings, thoughts and can move around just like humans. They are able to things that people can do. Therefore, they should be classified as living.”

  30. Warm Up 1/13/12 In at least 1 paragraph (5 sentences) describe what qualities make something alive. Choose an example of something that is alive and something that is dead and describe their similarities and differences.

  31. Announcements

  32. Cells Part 2 All living things are made up of cells. Cells are the smallest unit of life. Cells only come from other living cells. Living things can be made up of one cell or multiple cells. Lets recap on what we have learned so far…….

  33. Unicellular Organism made up of one cell. Usually too small to see with the naked eye.

  34. Multicellular Organisms that are made up of more than one cell. These organisms have many different cells that perform different jobs in order to meet the organisms needs. Examples include: Volvox, Frogs, Human beings, etc.

  35. Prokaryotic vs. Eukaryotic Cells Cells are made up differently based on the needs of the organism. The inside of one cells can be very different from one another. However, we can classify cells into two groups: Eukaryotic Cells- genetic material (DNA) is enclosed in the nucleus. Most multicellular organisms are eukaryotic. Plants and animals have eukaryotic cells. Prokaryotic cells- there is no separate place for genetic material. Most prokaryotic cells are unicellular.

  36. What is inside a cell? Organelles are things inside a cell that are enclosed by a membrane. The cell membrane is the outer boundary of the cytoplasm. It controls what enters and leaves the cell. It is also a protective covering that encloses the entire cell.

  37. Bubble Lab Today we are going to study the cell membrane and talk about how things enter and exit the cell.

  38. Independent Practice What is the difference between a prokaryotic and eukaryotic cell? What job does the cell membrane play within the eukaryotic cell? Think about the structure and function of the soap bubbles and the cell membrane. Describe how they are similar and how they are different. You may do this using a chart or in paragraph form.

  39. Warm Up 1/19/12 Draw and complete the T-chart below:

  40. Announcements Tutoring will take place afterschool today!

  41. Differences Between Plant and Animal Eukaryotic Cells? Where do plants get there energy from? Where to animals get there energy from? Therefore, plants have chloroplasts and central vacuoles that help them turn solar energy into food and store their water. They also have a cell wall. Animal cells have none of the above. Instead of a central vacuole, an animal cell has lysosomes that break down materials (food) that are brought into the cell.

  42. Quick illustrations Turn to page C21 The pictures at the bottom show the differences between plant and animal cells up close using an electron microscope. Turn to page C22 In your notebook draw both cells and label all of the parts. Be sure to highlight the parts of the plant cell that are not present in the animal cell! You will need these drawings to review for your test on Cells! You have 8 minutes for both drawings. I am setting the timer and moving on!

  43. Video Cell rap: http://www.youtube.com/watch?v=-zafJKbMPA8&feature=related Video: Plant vs. Animal http://player.discoveryeducation.com/index.cfm?guidAssetId=4df7766c-b8ec-4d27-8b4e-e4f67760b592 Jot down all the differences between the two types that you hear. If there is talking you will have a quiz.

  44. Cell Organelles/Worksheet Each of you will receive a foldable to take your notes on. Each flap will represent a different organelle

  45. Diffusion This is a process where molecules move from an area of higher concentration to an area of lower concentration. Ex. When you spray perfume, the smell is more powerful up close but over time the molecules spread out and it can be smelled throughout the room.

  46. Osmosis Molecules move from an area of higher concentration to an area of lower concentration across a membrane. This definition is the same as diffusion except it takes place across a membrane. That is, things move in an out of a cell.

  47. Eukaryotic Cells

  48. Exit ticket The main job of the nucleus is to? a. remove waste from the cell b. give the cell its shape c. control what goes on in the cell d. give the cell its color 2. Which is the primary function of mitochondria in animal cells? a. to release energy b. to provide support c. to store materials d. to transport waste 3. How do lysosomes function inside the cell? a. Lysosomes manufacture proteins for the cell. b. Lysosomes distribute enzymes throughout the cell. c. Lysosomes assist the nucleus in DNA synthesis. d. Lysosomes serve as the cell’s digestive system.

  49. Warm up 1/20/12 Draw the chart and fill in the chart below:

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