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16 Cards in this Set

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Cell

The basic units of all living things

Plasma membrane / cell membrane

Forms the outer boundary of the cell, through which the cell interacts with its external enviroment

Nucleus

Located centrally; it directs cell activities

Cytoplasm

Where the cells activities take place; located between the plasma membrane and the neucleus

Organelles

In cells; specialized structures; preform specific functions

Rough E.R.

Synthesizes proteins and transports them to Golgi appartus

Smooth E.R.

Manufacturers lipids and carbohydrates; detoxifies harmful chemicals; stores calcium

Golgi apparatus

Modifies, packages and distributes proteins and lipids for secretion or internal use

Lysosome

Contains digestive enzymes

Peroxisome

Serves as one site of lipid and amino acid degradation; breaks down hydrogen peroxide

Proteasomes

Break down proteins in the cytoplasm

Mitochondria

Are major sites of atp synthesis when oxygen is available

Centrioles

Serve as centers for microtuble formation; determine cell division ; form the basal bodies of cilia and flagella

Cilia

Move materials over the surface of cells

Flagellum

In humans, propels spermatozoa

Microvilli

Increases surface area of the plasma membrane for adoption and secretion; modified to form sensory receptors