Bio study guide chapter 8

What did Hooke use a microscope to look at

• A cork

• A rock

• A leaf

• A dog

Van Leeuwenhoek examined ____, and _____

• Leaf and pond water

• Cheek sample and leaf

• dirt and pond watet

• pond water and cheek sample

Observations make it clear that...

• EVERYTHING is made up of cells

• cells are the basic units of life

• unicorns are real

• proton = happy

Who concluded that all plants are made up of cells

• Schwaan

• Schleiden

• Virchow

• Hooke

Who concluded that all animals were made up of cells

• Virchow

• Van Leeuwenhoek

• Schwann

• Schleiden

Who concluded that new cells are produced from existing cells

• Ur mom

• Schwann

• Schleiden

• Virchow

What is the one thing the cell theory DOESN'T state

• All living things are made up of cells

• Prokaryotes are cells that don't enclose DNA

• Cells are the basic units of structure and function in living things

• New cells are produced from existing cells

WHAT MICROSCOPE IS THIS: allows light to pass through a specimen, uses two lenses to form an image,

magnifies a maximum of 1000x, observes living and dead organisms

• Transmission electron microscope

• Phase contrast microscope

• Scanning electron microscope

• Light microscope

WHAT MICROSCOPE IS THIS: Type of light microscope, increase differences in light and dark areas,

can study living organisms and proscesses as they happen

• Phase contrast microscope

• Light microscope

• Transmission electron microscope

• Scanning electron microscope

TRUE OR FALSE: Electron microscopes use beams of electrons that are focused by magnetic feilds

• True

• False