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Biology Test 3
Test 3
28
Biology
9th Grade
11/20/2015

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Term
What is the study of cells
Definition
Cytology
Term

A)Who observed the first cells?

B)What type of cell did he observe?

Definition

A) Robert Hook

B) Cork Cell

Term
What is the entire substance of cells called?
Definition
Protoplasm
Term
The 3 principals of cell theory
Definition

1. The cell is the basic building block of all living things

2. Cells perform all the functions of living things

3.Cells come from the reproduction of all living things

Term
10 cellular functions are
Definition

1. Absorption

2. Digestion

3.Respiration

4.Movement

5.Irratibility

6.Excretion

7.Secretion

8.Homeostasis

9. Egestion

10. Reproduction

Term
What determinds the size of a cell
Definition
By the # of cells it has
Term
One celled organisms are
Definition
Unicellular Organisms
Term
Organisms that are made up of more than one cell are called
Definition
Multicellular Organisms
Term
_____ are similar cells that are grouped together and perform a similar function
Definition
Tissues
Term
_____ are tissues grouped together to perform a similar cell
Definition
Organs
Term
______ are groups of organs working together
Definition
Systems
Term
The three basic parts of a cell
Definition

1. Boundary

2. Cytoplasm

3.Nucleus

Term
The main difference between prokaryotic and eukaryotic cells
Definition

Prokaruotic DONT have nucleus

Eukaryotic DO have a nucleus

Term
Where is the cell membrane or plasma membrane found
Definition
The Outer Boundary
Term
Where are the internal cellular membranes found
Definition
Cells around organelles
Term
What are the two main components of cellular membranes?
Definition
Lipids and Proteins
Term
What type of cells have a cell wall
Definition
Plant Cells
Term
____ are necessary for protein synthesis
Definition
Ribosome
Term
____ serves as a channel for the movement of substances
Definition
ER
Term
_____ are the powerhouse of the cell
Definition
Mitochondria
Term
____ contains storage structures in a cell
Definition
Lysosome
Term
_____ are storage structures in a cell
Definition
Vacuole
Term
Compare and contrast flagella and cilia
Definition

Compare:

Movement

Contrast:

Flagella- a long whiplike tail

Cilia- The little hair extensions

Term
_____ the control center of a cell
Definition
Nucleus
Term
Explain the difference between range of tolerance, and optimal range
Definition

Range of Tolerance

The area where the cell can perform

Optimal Range

Where the cell performes best

Term
_____ is the movement of molecules actess membranes against the concentration gradient
Definition
Active Transport
Term
_______ requires no NRG from the cell
Definition
Passive Transport
Term
Give 3 examples of how your body adjusts to maintain your homeostasis when your environment changes.
Definition
Sweating, shivering, blood clot
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