Question | Answer |
All living things are made up of tiny units called what? | Cells |
Cells can only be seen by using what instrument | Microsocope |
What are the two main types of cells | Plant and animal |
What fo you call the structure that surrounds an animal cell | Cell membrane |
What is the funstion of the cell membrane | It controls what eneters and leaves the cell |
What do you call the waterty fluid that fills the cell | Cytoplasm |
What do you call the part that is known as the brain of the cell | Nucleus |
What do you call the part that temporarily stores food and wastes | Small vacoules |
In a plant cell what do you call the part that allows a plants to make their own food | Chloroplasts |
What do you call the green pigment present in the chloroplast | Chlorophyll |
In a plant cell what do you call the tough structure that surrounds the cell membrane | Cell wall |
In a plant cell what do you call the large structure that stores water, sugar and wastes | Large vacoule |
What are the three differences bewteen plant and animal cells | Cell wall, chloroplasts and large vacoule |
What do you call the part of the microscope that you look through | Eyepiece |
What do you call the part of the microscope that magnifies an object | Objective lens |
In the lab how many objectives lenses are present on a microscope | 3 |
What are the magnification power of the three lenses in the lab | X4, X10, X40 |
What is the magnification of the eyepiece | X10 |
What do you call the part od the microscope where you place the slide | Stage |
What do you call the part of the microscope that moves the objective lens up and down | Focus knob |
When making a slide to view under a microscope what do you call the small square piece that you place on top of the sample | Cover slip |
At what angle should you hold the coverslip over that drop of water | 45 degrees |
Why should you carefully lower the coverslip on top of the sample | To stop air bubbles forming |
When using onion cells, what stain should you use | Iodine |
When using animal cheek cells, what stain should you use | Methylene blue |