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Biology 213
For Exam #1
8
Biology
Undergraduate 1
03/04/2013

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Term
Define: Cell
Definition
A cell is a highly organized compartment containing organelles
that carry out specific functions within a concentrated aqueous
cytoplasm surrounded by a plasma membrane. Cells can be either
prokaryotic or eukaryotic.
Term
What is a Prokaryotic Cell?
Definition
Prokaryotic cells do not have an organized nucleus. The genetic
material (DNA) is found in a diffused state in the cytoplasm. It does
not form a chromatin and it is not bound by a nuclear membrane.
Membrane bound cell organelles are absent and the cell is bound by a
single or unit membrane. (eg. Bacteria)
Term
What is a Eukaryotic Cell?
Definition
A cell containing organelles and DNA or RNA within a Nucleus. (eg. Animal and Plant Cells)
Term
Where do cells come from?
Definition
All cells come from pre-existing cells.
Term
What is the Scientific Method?
Definition
It is study of the physical world. Involves experimentation and observation.
Term
What are the steps to the Scientific Method
Definition
1. Obeservation
2. Hypothesis
3. Test hypothesis
4. Analysis
5. Conclusion
Term
What is cell theory?
Definition
All living systems are made of cells. Cells come from preexisting cells.
Term
What is Phylogeny?
Definition
A graphical representation of the evolutionary relationship among species.
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