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Biology Unit 3 - Cells > Cells Vocabulary > Flashcards

Cells Vocabulary Flashcards

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1
Q

Phospholipid

A

Lipid found in the cell membrane

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2
Q

Bilipid layer

A

Two layers of lipids. Membranes found in cells are usually bilipid layers.

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3
Q

Cell membrane

A

The membrane that makes the “skin” of the cell. composed of phospholipids and proteins.

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4
Q

Hydrophobic

A

Water fearing. Repelled by water.

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5
Q

Hydrophillic

A

Water loving. Attracted to water.

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6
Q

Nucleus

A

The control center of the cell. It contains the DNA.

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7
Q

Endoplasmic reticulum

A

The transportation system of the cell. It can be smooth or rough.

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8
Q

Smooth ER

A

Endoplasmic reticulum that doesn’t have ribosomes attached. It makes lipids.

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9
Q

Rough ER

A

Endoplasmic reticulum that has ribosomes attached. It makes proteins for outside the cell.

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10
Q

Cytoplasm

A

The fluid, jelly-like part of the cell.

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11
Q

Mitochondria

A

The power plant of the cell. It makes ATP.

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12
Q

Golgi Body

A

The packaging/processing organelle. It packages proteins for outside the cell.

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13
Q

Centriole

A

The organelle that makes spindle fibers for mitosis.

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14
Q

Microtubule

A

A tube of protein that supports the cell structure. It’s like the skeleton of the cell.

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15
Q

Vacuole

A

A storage sac found usually in plant cells.

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16
Q

Lysosome

A

An organelle that contains digestive enzymes.

17
Q

Microfilament

A

A protein string that moves organelles around the cell.

18
Q

Ribosome

A

The organelle that makes proteins.

19
Q

Cholroplast

A

The site of photosynthesis. Found only in plants.

20
Q

Cell wall

A

Found only in plants. Composed of cellulose. It adds rigidity to the cell.

21
Q

Leucoplast

A

A clear organelle found in plants that stores starch and other substances.

22
Q

Chormoplast

A

The organelle that contains pigments other than green. (Orange, yellow, red, etc.)

23
Q

Diffusion

A

The movement of a substance from a high concentration to a low concentration.

24
Q

Osmosis

A

The diffusion of water.

25
Q

Hypotonic

A

A situation where the concentration of water is greater outside the cell. EX: An egg in regular water.

26
Q

Hypertonic

A

A situation where the concentration of water is greater inside the cell. EX: An egg in a sugar solution.

27
Q

Isotonic

A

A situation where the water concentration is the same inside and outside the cell.

28
Q

Facilitated diffusion

A

Diffusion in a cell that is also helped by the cell.

29
Q

Exocytosis

A

The cell “spits” out large particles or molecules.

30
Q

Endocytosis

A

The cell “eats” large particles or molecules.

31
Q

Active transport

A

The cell uses energy to move substances from a low concentration to a high concentration.

Biology Unit 3 - Cells (2 decks)

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