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 cells activities
Vacuole
(Larger and permanent in plants) storage of food , water , wastes
Cell wall
(Only in plant cell) gives strength to the cell
Chloroplasts
(Only in plant cell) contains chlorophyll to help make food
Base
Keeps the microscope stable
Stage 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 10 (x10)
Course 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 a electron microscope
Mitochondria and ribosomes
Can be seen with and 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 eg blood is made of red and white blood cells, plasma and platelets
Organ
Groups of tissue work together
System
Group of organs that work together
Organisms
An individual that has many systems work together
