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Anatomy & Physiology > Cells and their organelles > Flashcards

Cells and their organelles Flashcards

1
Q

what is a cell

A

the functional units of all living things

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2
Q

what type of cell is prokaryotic

A

bacteria

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3
Q

what type of cell is eukaryotic

A

animals, plants, fungi, protozoa

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4
Q

what is a cellular membrane

A

a thin sheet that surrounds the cell and almost all of its organelles

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5
Q

what is cytoplasm

A

everything between the plasma membrane that surrounds the cell and nucleus

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6
Q

what is the nucleus

A

the control center, contains DNA

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7
Q

what is the lipid bilayer

A

2 layers of phospholipids the hydrophilic heads that face outwards and the hydrophobic tails that hide inside

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8
Q

things embedded in the lipid bilayer

A

protein, cholesterol(makes membrane impermeable), carbohydrates(sugar coating)

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9
Q

what is a transport protein

A

what helps the molecules across the membrane

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10
Q

what is a receptor protein

A

the communication between cells

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11
Q

what is an enzymatic protein

A

what catalyzes chemical reactions

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12
Q

what is a recognition protein

A

what identifies the cells

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13
Q

what is an attachment protein

A

what helps attach cells to other cells/objects

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14
Q

what is a cytoskeleton

A

a network of protein fibers inside the cell

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15
Q

what are the finger like things that help absorb substances called

A

microvilli

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16
Q

what are the little hair like things that move substances called

A

cilia

17
Q

what are the whip hair like things that help the cell move called

A

flagella

18
Q

what are vesicles

A

hollow membrane “bubbles” that store and transport molecules

19
Q

what are lysosomes

A

special vesicles that help break down and recycle the molecules that they
“swallow”

20
Q

what is mitochondria

A

produces most of the cells energy, ATP

21
Q

what is hydrophilic

A

likes / attracted to water

22
Q

what is hydrophobic

A

hates water

Anatomy & Physiology (15 decks)

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