Cells And Microscope Flashcards
Cell Membrane
Allows substances to pass in and out of the cell.
Cytoplasm
Watery fluid that gives support to the cell.
Nucleus
Controls the cell’s activities.
Vacuole
(Larger and permanent in plants) storage of food,water and wastes.
Cell Wall
(Only in plant cell) gives strength to the cell.
Chloroplasts
(Only in plant cell) contains chlorophyll help make food.
Base
Keeps the microscope stable.
State And Stage Clips
Holds the slide in place.
Light Source
A built in light bulb or mirror that lights up the specimen.
Diaphragm
Controls the amount of light passing through the specimen.
Objective Lens
Magnifies the specimen by different factors (x4, x10, x40).
Eyepiece Lens
Magnifies the specimen, usually by a factor of 10 (x10).
Coarse Focus Wheel
Brings the image into rough focus.
Fine Focus Wheel
Brings the image into sharp focus.
Electron Microscope
Used to study things in more detail.
A beam of electrons is passed through a specimen.
Micrograph
An image formed when using an electron microscope.
Mitochondria And Ribosomes
Can be seen with an electron microscope, but cannot be seen with a light microscope.
Organelle
Structure in a cell that carries out a particular role.
Cell
Made up of organelles, different cells do different jobs.
Tissue
Groups of cells that work together e.g. blood is made of red and white blood cells, plasma and platelets.
Organ
Group of tissues that work together.
System
Group of organs that work together.
Organism
An individual that has many systems that work together.
