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Biology > Cells > Flashcards

Cells Flashcards

0
Q

Define

Phospholipids

A

Made up of phosphate and 2 fatty acids

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1
Q

Define

Cell membrane

A

Regulated what enters and leaves a cell

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2
Q

Define

Organelle

A

Functioning unit of a cell

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3
Q

Define

Eukaryote

A

Organism whose cells have a nucleus

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4
Q

Define

Prokaryote

A

Organism whose cells don’t have a nucleus

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5
Q

Define

Endoplasmic reticulum

A

System of membranes

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6
Q

Define

Central vacuole

A

Stores water and nutrients for a cell

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7
Q

Define

Lysosomes

A

Break down large chemicals

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8
Q

Define

Chloroplasts

A

Contains chlorophyll for photosynthesis

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9
Q

Define

Golgi bodies

A

Synthesize and transport materials

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10
Q

Define

Mitochondria

A

Store and release energy

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11
Q

Define

Osmosis

A

Diffusion of water through selectively permeable membrane

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12
Q

Define

Equilibrium

A

Condition in which the concentration of a substance is equal through the space

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13
Q

Define

ATP

A

Main energy currency of cells

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14
Q

Define

Active transport

A

Transport of a substance across the cell membrane across the concentration gradient

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15
Q

Which organelle houses the cells DNA

A

Nucleus

16
Q

Describe cell membrane

A

Double layer of phospholipids

17
Q

What are short, hair-like structures found on cells called

A

Cillia

18
Q

What organelle controls most functions of a eukaryotic cell

A

Nucleus

19
Q

Which organelles are only found in plants

A

Cell wall, water vacuole, chloroplasts

20
Q

What does smooth Endoplasmic reticulum lack

A

Ribosomes

21
Q

Give an example of active transport

A

Sodium-potassium pump

22
Q

Without the sodium-potassium pumps what would happen to a cell

A

Too much sodium and water would enter and cause the cell to swell or burst and it couldn’t transport sugars

Biology (5 decks)

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