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Weslei Alexander And Cell Vocabulary
Cells
10
Science
6th Grade
04/12/2011

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Term
Cytoplasm
Definition
is the parts of a cell that are enclosed within the plasma membrane.

Read more: http://wiki.answers.com/Q/What_is_cytoplasm#ixzz1JKH9tH9G
Term
Mitochondion
Definition
Mitochondria are often called the "powerhouse of the cell" because they produce ATP from sugar and other organic molecules
Term
Nuclear Membrane
Definition
It is a double-layered membrane enclosing the nucleus of a cell that controls what enters and leaves the nucleus. Also called nuclear envelope.




Read more: http://wiki.answers.com/Q/What_is_the_nuclear_membrane's_function#ixzz1JKIEF71c
Term
Cell Wall
Definition
The cell wall is the tough, usually flexible but sometimes fairly rigid layer that surrounds some types of cells. It is located outside the cell membrane and provides these cells with structural support and protection, and also acts as a filtering mechanism. A major function of the cell wall is to act as a pressure vessel, preventing over-expansion when water enters
Term
Chloroplast
Definition
are organelles found in plant cells and other eukaryotic organisms that conduct photosynthesis.
Term
Chromosomes
Definition
A chromosome is an organized structure of DNA and protein that is found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. Chromosomes also contain DNA-bound proteins, which serve to package the DNA and control its functions.
Term
Cell Membrane
Definition
The cell membrane is a biological membrane that separates the interior of all cells from the outside environment.
Term
Vacuoles
Definition
A vacuole is a membrane-bound organelle which is present in all plant and fungal cells and some protist, animal
and bacterial cells
Term
Nucleus
Definition
is a membrane-enclosed organelle found in eukaryotic cells. It contains most of the cell's genetic material, organized as multiple long linear DNA molecules in complex with a large variety of proteins,
Term
Ribosomes
Definition
A ribosome is the component of a biological cell that creates proteins from all amino acids and RNA representing the protein. One of the central tenets of biology
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