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OMM. Lesson 7 Exploring Cells. Introduction. See p 82 Read p 83-85 Discuss. Inquiry 7.1. Obtain a sample of Spirogyra Observe under 100X magnification and discuss how this alga got its name. Inquiry 7.1. Observe under 400X and focus on one cell Draw the cell Title: Spirogyra cell

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Presentation Transcript
slide1

OMM

Lesson 7

Exploring Cells

introduction
Introduction
  • See p 82
  • Read p 83-85
  • Discuss
inquiry 7 1
Inquiry 7.1
  • Obtain a sample of Spirogyra
  • Observe under 100X magnification and discuss how this alga got its name
inquiry 7 11
Inquiry 7.1
  • Observe under 400X and focus on one cell
  • Draw the cell
      • Title: Spirogyra cell
      • Magnification: 400X
      • Label at least two organelles
      • Measure the cell length
inquiry 7 2
Inquiry 7.2
  • Prepare a wet-mount slide with a piece of onion…procedure on p 89
  • Observe under 400X magnification
      • Title: Onion Cell
      • Label: cell wall, nucleus, cytoplasm
      • Measure cell length
  • Why are there no chloroplasts?
inquiry 7 3 question
Inquiry 7.3 Question

How does salt effect a plant cell?

hypothesis
Hypothesis:

If…then…because

procedure
Procedure:

See p 90

  • Observe Elodea from freshwater
  • Observe Elodea from salt water
slide9
Data:
  • Drawing of Elodea from freshwater
  • Drawing of Elodea from salt water
vocabulary
Vocabulary:

cell cell membrane

cell wall chloroplast

chromosome cytoplasm

DNA endoplasmic reticulum

Golgi bodies lysosome

mitochondria nucleus

organelle photosythesis

ribosome vacuole

conclusion
Conclusion:
  • A conclusion answers the original question (look back at the question).
  • Be sure to write complete sentences.
  • Use and underline each of the vocabulary words that apply to Inquiry 7.3 in writing your conclusion.
inquiry 7 4
Inquiry 7.4
  • Observe prepared slide of mammalian epithelial tissue
  • Draw an epithelial cell
      • Title: Cheek Cell
      • Label: cell membrane, cytoplasm, nucleus
      • Magnification
      • Measure cell length
inquiry 7 41
Inquiry 7.4
  • Observe prepared slide of a mammalian nerve cell
  • Draw a nerve cell
      • Title: Nerve Cell
      • Label: cell membrane, cytoplasm, nucleus
      • Magnification
      • Measure cell length
      • Compare nerve and epithelial cells
reflection
Reflection:

Answer questions on page 93

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