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Cells
A basic review of cell types and organelles
28
Biology
10th Grade
10/04/2011

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Term
Eukaryote
Definition
complex cell with a membrane bound nucleus and organelles
Term
Cholorplast
Definition
found in eukaryotic autotrophic cells; location of photosynthese
Term
Prokaryote
Definition
thought to be the oldest living organism on Earth; contains no nucleus or organelles
Term
Nucleus
Definition
the location of chromatin (DNA) in the cell; control center
Term
Cell Theory
Definition
* all cells come from pre-existing cells
* cells are the basic unit of structure and function in organisms
* all living organisms are made from cells
Term
ribosome
Definition
cell part that makes proteins
Term
Lysosome
Definition
Cell organelle filled with digestive enzymes that is responsible for recycling nutrients in the cell
Term
Rough endoplasmic reticulum
Definition
organelle where proteins are made and modified because it is studded with ribosomes
Term
Smooth endoplasmic reticulum
Definition
cell organelle where lipids and proteins are modified
Term
golgi body (apparatus)
Definition
organelle where macromolecules (carbs, proteins, and lipids) are packaged and shipped
Term
chromatin
Definition
DNA wrapped around histone proteins
Term
DNA
Definition
deoxyribonucleic acid; genetic material made of nucleotide (sugar, phosphate, & nitrogen base) monomers
Term
RNA
Definition
ribonucleic acid; the nucleic acid that carries the DNA message
Term
mitochondria
Definition
organelle that converts glucose into adenosine triphosphate (ATP) - the energy molecule - when oxygen is present; the location of cellular respiration and energy production
Term
Cytoplasm
Definition
The jelly-like material that fills up the inside of a cell
Term
5 things that all cells have in common
Definition
cell membrane, DNA, RNA, ribosome, & cytoplasm
Term
3 things that a plant cell has that an animal cell does not
Definition
cell wall (made of cellulose); large central vacuole, and chloroplast
Term
cytoskeleton
Definition
microtubules (small tubes) made of proteins that give a cell internal support
Term
centrioles
Definition
cell part found in animal cells that is necessary for cell division
Term
Robert Hooke
Definition
observed cork cell walls and names the cell
Term
Leeuvenhoek
Definition
developed the first simple compound microscope
Term
flagella and cillia
Definition
external cell part used for cell movement
Term
vacuole
Definition
organelle filled with extra water, salts, and waste
Term
Nucleolus
Definition
manufactures ribosomes and found in the nucleus
Term
chromosome
Definition
coiled chromatin before a cell divides
Term
gene
Definition
section of DNA on a chromosome that determines a trait
Term
Schleiden, Schwann, and Virchow
Definition
Scientists who discoveries lead to the development of the cell theory
Term
Cell membrane
Definition
membrane that surrounds the cell and regulates what enters and exits the cell; selectively permeable because it only allows some things thru
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