Cells/Organelles Flashcards

1
Q

Cell membrane

A

The boundary that surrounds a cell and controls which substances can enter or leave the cell

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2
Q

Cell wall (non-living)

A

A stiff structure that surrounds, protects the cell and supports it; found in plants, fungus, and some bacteria cells

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3
Q

Chloroplast (photosynthesis)

A

An organelle in a plant that turns energy from the sun into chemical energy for the plant to use

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4
Q

Chromatin

A

Same as chromosome but unwound (DNA and protien)

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5
Q

Chromosome

A

A tightly wound bundle of DNA and protein found in the nucleus of most living cells (condensed chromatin)

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6
Q

Cytoplasm

A

Constantly moving liquid in the inside of a living cell (clear jelly-like fluid)

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7
Q

Endoplasma Reticulum (ER)

A

Transports proteins throughout the cell

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8
Q

Golgi body

A

A stack of membrane bound vessels. Receives proteins and other materials from the ER, packages them and distributes them to the other parts of the cell.

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9
Q

Lysosome

A

Contains enzymes that are necessary for intracelular digestion, breaks down old cell parts

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10
Q

Mitochondria

A

Converts food energy into something the cell can use (powerhouse of the cell)

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11
Q

Nuclear membrane

A

Double layer that protects the nucleus, separates it from the cytoplasm

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12
Q

Nucleus

A

An organelle that holds the cells DNA (command center)

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13
Q

Nucleolus

A

In the nucleus - produces ribosomes, which move out of the nucleus and into the (rough) endoplasmas reticulum

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14
Q

Centriole

A

Ring of nine fuse microtubules, part of the cytoskeleton (maintain structure within the cell)

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15
Q

Ribosomes

A

Manufactures proteins

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16
Q

Vacuole

A

Organelle contains air, liquids food, and waste products. Stores waste so it doesn’t contaminante the cell