Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/17

Click to flip

17 Cards in this Set

  • Front
  • Back
Coarse adjustment knob
moves the body tube for focusing with the low power obkective lens
fine adjustment knob
moves the body tube for focussing with the high power objective lens
arm
supports the body tube
stage
supports the slide being used
stage clip
holds the slide being used
base
supports the microscope
eyepiece
contains a lens that magnifies about 10x
body tube
separates the eyepiece lens from the objectives lens
nosepiece
holds the low power and the high power objectives lenses; allows the lenses to rotate for viewing
high power objectives lens
magnifies 40x
low power objectives lens
magnifies 10x
diaphragm
controls the amount of light passing through the opening of the stages
mirror
relects light upward thorough the diaphragm
what are the steps to focus?
Put your slide on the stage, then pick if you want low power or high power objective and use the coarse knob (low power) or the fine knob (high power) to adjust the specimen, then look through the eyepiece and see if its clear to see
What is the formula to calculate total magnification?
eyepiece power x objective lens power
What is the cell theory?
- All living things are composed of cells
- Cells are the basic units of structure and function of living things
- All cells are produced from other cells
What did the following scientist do?
Anton Van Leeuwenhook- Discovered one-celled oraganisms

Robert Hooke- Invented microscopes and discovered cells

Mattias Schleiden- Discovered that all plants are made up of cells

Theodor Schwann- Discovered that all animals are made up of cells

Rudolph Virchow- Figured out that all cells come from cells