Chapter 2 Flashcards
What does cell theory state?
1) All organisms are made of at least one cell, 2) cells are the basic unit of life and 3) cells come from other living cells (they don’t appear spontaneously)
A unicellular organism has how many cells?
One
A multi cellular organism has how many cells?
More than one
What 3 things do all cells have in common?
They have a cell membrane, cytoplasm and genetic material
What is a cell membrane?
The structure that encloses and protects the cell
What is cytoplasm?
A jelly-like material that the things inside the cell float in
Deoxyribonucleic Acid is abbreviated how?
DNA, which is genetic material
How is a cell classified as prokaryotic or eukaryotic?
The location of the DNA
Prokaryotic cells have DNA stored where in them?
It is free floating in the cytoplasm
Eukaryotic cells store their DNA where?
A nucleus
Which is simpler, a prokaryotic cell or a eukaryotic cell?
prokaryote
What is an example of a eukaryotic single celled organism?
An amoeba
True or False: Bacteria and Archaea are prokaryotes
True
True or False: Cells are the basic unit of structure and function needed to support life?
True
