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Cells & Mitosis
Cell theory, cell cycle, mitosis, important contributers, etc.
12
Science
8th Grade
01/27/2011

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Cards

Term
List the parts of the cell theory
Definition
1) Every living thing is made of one or more cells
2)Cells carry out the functions needed to support life
3)Cells come only from other living cells
Term
List and describe the steps in the cell cycle
Definition
1) Interphase - Cells grow and carry out functions
2) Mitosis - Cell prepares to divide
3) Cytokinesis - Cytoplasm of parent cells divides
Term
List and describe the steps in mitosis
Definition
1) Prophase - Chromosomes form inside nucleus
2) Metaphase - Chromosomes line up in middle
3) Anaphase - Chromatids split into chromosomes & pull to sides
4) Telophase - Cell membrane begins to pinch in middle
Term
Describe asexual reproduction
Definition
Organism produces offspring by itself with the same genetic material
Term
What is a cell?
Definition
Smallest unit able to perform functions of life
Term
Why do people grow?
Definition
You constantly are gaining cells once the cell cycle is completed
Term
What did Robert Hooke do?
Definition
First to discover cells (dead) and named them
Term
What did Van Leeuwenhoek do?
Definition
First to discover living cells
Term
What did Pasteur do?
Definition
Invented Pasteurization and eliminated the theory of Spontaneous Generation
Term
The daughter cells produced in mitosis are ______________ to parent cells.
Definition
identical
Term
Explain the difference between unicellular and multicellular organisms. Give examples of each.
Definition
Unicellular - only one cell (EX: amoeba)
Multicellular - more than one cell (EX: frog)
Term
How many pairs of chromosomes do humans have?
Definition
23 pairs
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