Transcript Cells

What we have learned so far….
• All living things are made of cells.
• Cells are made of macromolecules – these
macromolecules help the cell survive
– Enzymes are one type of protein that help the cell
survive
• DNA is the code of life because it codes for
proteins that make traits
Next
– How do cells get energy?
– How do cells get rid of waste?
– How do cells divide divide?
Cells
The microscopes
From the electron microscope
All cells have cytoplasm, cell membrane and genetic material (DNA or
RNA)
Elodea cells
Onion cell
Cheek cell
Tree bark
Potato Cells
Tomato cells
Use of the Microscope
• 1. Check for low power
• 2. adjust light
• 3. Focus
• Use high power only when object is centered
and in focus under 100 X
Activity
Use of the
microscope to see
cells
Make drawings or
observations about
the protist that you
see.