Vocab
The smallest structural and functional unit of a living organism
What is a cell?
A membrane-bound organelle that contains DNA.
Nucleus
Why are most cells small?
Cell size is limited by the cell's outer surface area.
Where do eukaryotes have their DNA?
DNA is in the nucleus
A living thing
What is an organism
A genetic material that provides instructions for the cell and is inherited from the parents
What is DNA?
Which cell does not have a nucleus?
Prokaryote
What is an example of a prokaryotic cell?
Bacteria cell
The region enclosed by the cell membrane where all the fluid and organelles are stored
What is an unicellular organism
The first man to look at cells and the man who built the microscope
Who is Robert Hooke?
What is an example of an eukaryotic cell?
human skill cell
A protective layer around the cell that controls the number of materials such as water and oxygen that go in and out of the cell
What is the cell membrane?
An organism made up of many cells
Organelles, cytoplasm, cell membrane, and DNA
What are the four elements that all cells have in common?
How should you hold a microscope?
Neck and base
A small body in the cytoplasm with a specific purpose, most have a membrane
What is an organelle?
Eukaryotic and prokaryotic
What are the two types of cells?
All organisms are made of one or more cells, the cell is the basic unit of all organisms, all cell come from cells
What are the three rules of cell theory
What is the difference between coarse focus and fine focus?
Coarse focus- quickly brings stage up to focus image
Fine focus- when focused gives you a sharper image