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Biology Organelles
N/A
20
Biology
9th Grade
11/30/2011

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Term
Nucleus
Definition
Controls the activities of the cell
Term
DNA
Definition
Coded instructions for making protiens and other important nutrients
Term
Nucleolus
Definition
Assembles Ribosomes
Term
Ribosomes
Definition
Assemble protiens
Term
Cell wall
Definition
Determines what should pass and what shouldn't to protect and support the cell
Term
Rough endoplasmic reticulum
Definition
site where fats and protiens are assembled, to be exported from the cell.
Term
Smooth endoplasmic reticulum
Definition
Contains enzymes that sythesize membrane lipids and detoxify drugs.
Term
Golgi Apparatus
Definition
Modifies, sorts, and packages materials for storage and sending away.
Term
Lysosomes
Definition
Digests and breaks down lipids and other materials to be used by the rest of the cell
Term
Vacuoles
Definition
store materials like water, salts, proteins, and carbohydrates.
Term
Mitochondrea
Definition
converts chemical energy stored in food into compounds that are not convienient for cell use.
Term
centrioles
Definition
help organize cell division
Term
cytoskelton
Definition
supports cell, and helps movement
Term
chloroplast
Definition
Capture energy from sonlight and convert it to energy
Term
Who was the first to see living cells?
Definition
Anton van Leewenhoek
Term
Who first observed cells in cork through a microscope?
Definition
Robert hooke
Term
Who concluded plants are made of cells?
Definition
Matthias Schleiden
Term
Who concluded animals are made of cells?
Definition
Theodor Schwann
Term
Who discovered cells can only be created through division of old cells?
Definition
Rudolph Virchow
Term
What is the cell theory?
Definition
1.All living things are composed of cells

2.Cells are the basic units of structure and function in living things?

3.New cells are produced from existing ones
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