Balance Unit Flashcards
How to calculate the total magnification when given the eyepiece lens magnification and the objective lens magnification
take the power of the objective (4X, 10X, 40x) and multiply by the power of the eyepiece, usually 10X.
How do you make a wet mount
Put drop of water on slide
Place object on slide
Cover slide with little piece of glass
Describe the structure of the cell membrane
Semi permeable which allows certain substances to pass through
Function of the cell membrane
Protect the cell from its surroundings
Equilibrium
Concentration of molecules that are the same in all areas
Semi permeable
Material in a cell membrane that allows certain substances to pass through
Osmosis
Diffusion of water across a membrane
Diffusion
Movement of molecules from and area of high concentration to low concentration
Active transport
Uses energy to carry molecules from low to high concentration through protein channels
Endocytosis
Taking in big molecules
Exocytosis
Releasing big molecules
How does a cell maintain homeostasis both within itself and as part of a multicellular organism?
The cell maintains homeostasis by regulating its body temperature and staying hydrated