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A&P 150 > Ch 3: Cell Biology > Flashcards

Ch 3: Cell Biology Flashcards

1
Q

 what is the inside space of a cell membrane?

A

Intracellular

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2
Q

What is the space outside the cell membrane

A

Extracellular

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3
Q

What is phospholipids

A

A bilayer with polar heads facing interior and exterior of the cell

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4
Q

What is cholesterol?

A

Interspersed among phospholipids

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5
Q

What is cytoplasm

A

Contains organelles

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6
Q

What is the nucleus

A

Contains DNA

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7
Q

What is cytoplasm

A

Space in Cell

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8
Q

What is cytosol?

A

Fluid in cytoplasm

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9
Q

What are cadherins?

A

Attach cells to other cells

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10
Q

What are intergrins?

A

Integral proteins that attach to extracellular molecules

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11
Q

What is a non-gated ion channels?

A

Always open

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12
Q

What is a gated ion channels

A

Open/close by stimuli

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13
Q

What is another name for carrier proteins

A

Transporters

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14
Q

What is a uniporter

A

Moves one particle

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15
Q

What is a symporter?

A

Moves two particles in the same direction and same time

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16
Q

What is an antiporter?

A

Moves two particles in opposite directions at the same time

17
Q

What are the three components of the cytoskeleton?

A
  • microtubules - made up of tubulins
  • microfilaments
  • intermediate filaments
18
Q

What’s another name for simple diffusion

A

Passive diffusion

19
Q

What is simple diffusion

A

Movement of solutes through semi permeable membranes

20
Q

What is facilitated membranes

A

The presence of protein carriers

21
Q

What is active transport?

A

Using ATP to accumulate substances

22
Q

What is osmosis?

A

Movement of water through semi permeable membranes

23
Q

What is solute

A

Substance added to solvent that dissolves in a solvent

24
Q

What is the order of movement through plasma membranes

A
  1. Simple diffusion
  2. Facilitated memebrane
  3. Active transport
  4. Osmosis
25
Q

What is endocytosis

A

Process brings material into the cell using vessicles

26
Q

What is exocytosis?

A

Process that carries materials out of cells using vesicles

27
Q

What are two types of endocytosis

A

Phagocytes
Pinocytosis

28
Q

What is Phagocytes?

A

Sells eating (solid particles)

29
Q

What is pinocytosis?

A

Sells drinking (liquid particles)

30
Q

What is osmosis?

A

Diffusion of water

31
Q

What is cillia on cell surface?

A

-appendages from cell surface
- Moves material over cell surface
Ex: Respiratory tract

32
Q

What is flagella on the cell surface

A
  • longer than cillia
  • usually one per cell
  • moves the cell in wave like fashion
    Ex: sperm cell
33
Q

What is micro villi on the cell surface

A

-extension of plasma membrane
-Increase the cell surface area for absorption
-There’s many on each cell and don’t move
Ex: small intestine

A&P 150 (26 decks)

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