Cell Organelles - Sheet1 Flashcards

1
Q

mitochondrion

A

bean-shaped organelle that supplies energy to the cell and has its own ribosomes and DNA

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2
Q

vacuole

A

organelle used to store materials such as food, water, enzymes and ions, that are needed by the cell

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3
Q

lysosome

A

organelle that 1) contains enzymes, 2) defends a cell against bacteria and viruses, 3) breaks down damaged or worn-out cell parts

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4
Q

centriole

A

small cylinder-shaped organelle made of protein tubes (microtubules) arranged in a circle; aids cell division (mitosis)

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5
Q

cell wall

A

rigid structure that gives protection, support and shape to cells in plants, algae, fungi and bacteria

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6
Q

chloroplast

A

organelle composed of many membranes used to convert solar energy into chemical energy

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7
Q

cytoskeleton

A

network of proteins, such as microtubules and microfilaments, inside a eukaryotic cell that supports and shapes the cell

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8
Q

nucleus

A

organelle composed of a double membrane, or phospholipid bilayer, that acts as the storehouse for most of a cell’s DNA

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9
Q

endoplasmic reticulum

A

network of thin, folded membranes that produce, process and distribute proteins

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10
Q

ribosome

A

organelle that links amino acids together to form proteins

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11
Q

golgi apparatus

A

stack of flat, membrane-enclosed spaces containing enzymes that process, sort and deliver proteins

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12
Q

vesicle

A

small organelle that contains and transports materials within the cytoplasm

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