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Cell Organelles
The cell parts
10
Biology
9th Grade
11/27/2012

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Term
What is a Cell Membrane?[image]
Definition

It is a thin membrane shell that surrounds the cytoplasm of a cell.

It protects it.

  Animal cells, plant cells, prokaryotic cells, and fungal cells have cell membranes.

Term
What is a Chromatin?[image]
Definition

A mass of genetic materials formed of DNA and proteins that make chromosome during eukryotic cell division.

 

Chromatin is located in the nucleus.

Term

What is a Cytoplasm?[image]

 

Definition

The cytoplasm is a jelly like structure which is between the cell membrane and nucleus.

It is in a eukryotic cell. It contains the cytosol, organelles, and inclusions, but not including the nucleus.

Term
What are Rough and Smooth Endoplasmic Reticulum?[image]
Definition

A Rough Endoplasmic Reticulum is called ER because it has ribosomes attached to the cytoplasmic side of the membrane. It manufactures membranes and protiens.

 

A Soft Endoplasmic Reticulum is called smooth ER because it doesnt have ribosomes. It serves as a transportation system where it takes products to several locations.

Term

What is a Golgi Body?

[image]

Definition

A Golgi Body is a stack of membrane-bound vesicles that are important in packaging macromolecules for transport elsewhere in the cell.

Term
What is a Vacuoles?[image]
Definition

A vacuole is a membrane- bound sac that does digestion using enzymes and plays the role of releasing cellular waste products.

 

In a plant cell, it is larger and holds sugar, water, and waste.

Term
What is a Lysosome?[image]
Definition
Lysosomes are the digestive system and contain enzymes that break down proteins or complete micro organsims.
Term

What is a Cytoskeleton?

[image]

Definition

A Cytoskeleton is a network of fibers that helps the cell keep in shape and gives support to the cell.

It is in the cytoplasm.

Term
What is a Mitochondria?[image]
Definition
The Mitochondria is the Power House of the cell.  They convert energy into forms usable by the cell. It makes energy basically.
Term
What is a Chloroplast?[image]
Definition

Chloroplasts are only found in Plant cells, they are the basic food producers of the cell. They absorb energy from sunlight and make it into sugar.

They contain the plants chlorophyll, which are responsible for the plants green color.

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