Cells And Microscope Flashcards
Whats a cell membrane?
Allows substances to pass in and out of the cell.
What is a cytoplasm?
Watery fluid that gives support to the cell
What is a nucleus?
Controls the cell’s activities
What is a vacuole?
(Larger and permanent in plants) storage of food water and wastes.
What is a cell wall
(Only in plant cell) gives strength to the cell
What is a chloroplasts?
(Only in plant cell) contains chlorophyll to help make food.
What is a base
Keeps the microscope stable
What is the stage and stage clips
Holds the slide in place
What is a light source
A built in light bulb or mirror that lights up the specimen
What is a diaphragm
Controls the amount of light passing through the specimen
What is a objective lens
Magnifies the specimen by different factors (x4 x10 x40)
What is a eyepiece lens
Magnifies the specimen usually by a factor of 10 (x10)
What is the coarse focus wheel
Brings the image into rough focus
What is a fine focus wheel
Brings the image into sharp focus
What is a electron microscope
Used to study things in more detail.a beam of electrons is passed through a specimen