Chapter 4: Inside the Cell Flashcards
1
Q
Cell
A
The fundamental unit of life
2
Q
Light microscope
A
A microscope invented in the 17th century and is limited by properties of light
3
Q
Electron microscope
A
A microscope invented in the 1930s it over comes limitation by using beams of electrons
4
Q
Why are cells so small
A
Because they need surface areas large enough for entry and exit of materials
5
Q
Plasma membrane
A
The boundary between the outside and inside of a cell
6
Q
Cell theory
A
This theory states all organisms are composed of cells and all cells come from pre-existing cells and all cells have a plasma membrane cytoplasm and genetic material
7
Q
What are two types of cells
A
Prokaryotic cells and eukaryotic cells