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A Tour of the Cell
Organelles and Their Functions
16
Biology
11th Grade
08/28/2008

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Term
plasma membrane
Definition
allows sufficient passage of oxygen, nutrients, and wastes
Term
cytoplasm/cytosol
Definition
house organelles
Term
DNA
Definition
carry genetic information
Term
ribosomes
Definition
protein synthesis
Term
cytoskeleton
Definition
gives cell shape; cell motility; regulate activities
Term
nucleus
Definition
instructions for protein synthesis
Term
nucleolus
Definition
synthesis of rRNA
Term
rough ER
Definition
make secretory proteins; membrane factory
Term
smooth ER
Definition
synthesis of lipids; detox of drugs/poisons; storage of calcium ions
Term
Golgi apparatus
Definition
takes substances from endoplasmic reticulum
Term
lysosomes
Definition
eat up waste in body
Term
vacuoles
Definition
eat up waste (same as lysosomes)
Term
vesicles
Definition
transport of substances from one part of the cell to another
Term
peroxisomes
Definition
convert waste to hydrogen peroxide and then to water
Term
mitochondria
Definition
site of cell respiration; generates ATP from breakdown of food molecules
Term
chloroplast
Definition
carry out photosynthesis
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