Science Unit 4
Terms
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- Shcleiden and Theodore Schwann
- all living things are composed of cells
- passive transport
- does not require energy (high to low), diffusion, osmosis
- Anton Van Leeuwenhoek
- invented the first single lens microscope
- phagocytosis
- to engulf your prey
- composition of membranes
- two layers of phospholipids, fluid (flexible), carry moleules across the membrane
- active transport
- uses energy (low to high)
- Robert Brown
- discovered the nucleus
- cell theory
- all cells come from other cells, all cells are the basic unit of structure and function of all living things, all living things are made up of cells.
- cytoplasmic streaming
- cytoplasm moves
- cell membrane
- Allows small substances to enter and leave the cell (semi-permeable)
- Rudolph Virchow
- cells come from other cells
- transport
- movement of substances around the cell
- pinocytosis
- the sucking in of molecules
- Galileo
- invented two lens microscope
- Robert Hooke
- used the term cell