Random extras

Question 1

Cell theory

Answer 1

1. All organisms are made of cells
2. All cells come from pre-existing cells
3. Are the basic units of life

Question 2

organelle

Answer 2

any of a number of organized or specialized structures within a living cell.

Question 3

Eukaryote

Answer 3

more complex and bigger than prokaryotes

contain nucleus

Question 4

Prokaryotes

Answer 4

Smaller in size to Eukaryotes

DNA floats around the cell

Question 5

Mrs Gren (what it implies)

Answer 5

What all living things need to survive

Question 6

Cell

Answer 6

the smallest structural and functional unit of an organism

Question 7

Difference between plant and animal cells

Answer 7

Plant cells have a cell wall, chloroplast, as well as a cell membrane. plant cell have unique rectangular shape. Animal cells simply have a cell membrane, but no cell wall.

Question 8

rules for biological drawing

Answer 8

must use pencil
no sketched lines
title on top
simplified drawings
overall magnification on the bottom
only draw one to two cells
labels cannot overlap and must be ruled
dont change the shape or size of the cell (compared to the magnified image)

Question 9

How to use a light microscope

Answer 9

1. Carry the microscope by the arm with one hand and support it with your other hand under the base
2. Ensure that the stage is at the lowest point (use the coarse adjustment knob to lower it if need be)
3. Ensure that the scanning powered objective is in use
4. Adjust the diaphragm so that the maximum amount of light is passing through it
5. Place the slide on the stage. Fasten it with the stage clips
6. Slowly raise the stage toward the objective, until the specimen is located
7. You may need to use the low powered and high powered objective lenses to locate the specimen. If you do ensure that the stage is low enough so that the slide will not be damaged
8. Once the specimen is located, use the fine adjustment knob to make the image clear and in focus