LESSON 5

BIOLOGY LESSON 5
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BiologieMiddelbare schoolhavo, vwoLeerjaar 1

This lesson contains 17 slides, with text slides and 1 video.

time-iconLesson duration is: 45 min

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BIOLOGY LESSON 5

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Slide 2 - Video

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Exercise 1
Organisms are made up of tiny units called ___1____. Cells have a ___2___ to control their activities. The information for the control is stored in the ___3___. Most chemical reactions take place in the cytoplasm. The cell ___4___     controls what enters and leaves the cell. ___5___ cells also have a cell wall to support the shape of the cell, a ___6___ full of cell sap to push against the cell wall and some have ___7__       _ to make food for the plant.

Excerpt From: “Cells and Life Processes.” iBooks. 
cells
nucleus
nucleus
membrane
plant
cell
chloroplasts

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Exercise 2
Give the most important function of these parts of the cell:
a) nucleus, the brain of the cell it controls what happens and contains the DNA
b) cell membrane, a flexible membrane around the cell that controls what goes into and out of the cell
c) cytoplasm, the filling of the cell made of water, salts and nutrients

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Exercise 3
What are the functions of 

a) chloroplasts, using sunlight to produce sugars (photosynthesis).

b) the cell wall of a plant cell, it helps plant cells keep their shape and support the structure of the plant

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Exercise 4
List four differences between plant and animal cells.
1. Animal cells are flexible plant cells are not.
2. Plant cells have a cell wall, animal cells do not.
3. Plant cells have chloroplasts, animal cells do not.
4. Plant cells have a vecuole, animal cells do not.

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Apple drawings
- get out a coloured pen or pencil

- make sure you have some elses drawing, the person may not be in your group

- check you got a rubric

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coming lessons:
  • lablesson microscopes and animal cells
  • theory lesson
  • lablesson microscopes and plant cells
  • glossary quiz (10 min) & theory lesson

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Slide 14 - Link

Slide 15 - Link

what to do:
- study the parts of the cells
- study the parts of the microscope
- read and print out the drawing rules
- always bring to a lablesson:
                       - a pencil
                       - and eraser
                       - a triangle/ruler

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start preparing!!!

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