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Ana Chp 3-4 > Chp 3 > Flashcards

Chp 3 Flashcards

1
Q

Plasma membrane?

A

Surrounds cell, defines boundaries

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2
Q

Intracelluar fluid?

A

Water in the cell.

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3
Q

Extracellular fluid?

A

Water outside the cell.

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4
Q

Membrane proteins?

A

Inside the protein.

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5
Q

Peripheral protein?

A

Outside the cell to anchor the cell.

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6
Q

Functions of membrane proteins?

A 
Receptor
Enzyme
Channel
Gated channel
Cell-identity marker
Cell adhesion molecule
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7
Q

A receptor?

A

Binds to chemical messengers such as hormones.

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8
Q

A enzyme?

A

Breaks down a chemical messenger and terminates its effect.

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9
Q

A channel?

A

Protein that is constantly open and allows solutes to pass in and out cell.

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10
Q

Gated channels?

A

Opens and closes to allow solute through only at certain times.

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11
Q

Cell identity marker?

A

Distinguish the body’s own cells from foreign cells.

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12
Q

Cell adhesion molecule?

A

A cell adhesion that binds one cell to another.

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13
Q

A microvilli?

A

Best developed in cells specialized in absorption.

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14
Q

A cilia?

A

Hairlike processes.

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15
Q

Nonmotile cilia?

A

Found on sensory nose of cell.

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16
Q

Motile cilia?

A

Respitory tract, uterine tubes, ventricles of brain, duct of testes.

17
Q

Flagella is?

A

Tail of a sperm.

18
Q

Osmosis is?

A

Net flow of water through a selectively permeable membrane.

19
Q

Osmotic pressure?

A

Hydrostatic pressure required to stop osmosis.

20
Q

Tonicity?

A

Is the ability of a solution to affect the fluid volume and pressure in a cell.

21
Q

Normal saline?

22
Q

Hypertonic solution?

A

Causes cell to absorb water and swell.

23
Q

Hypertonic?

A

Causes the cell to shrivel.

24
Q

Three kinds of carriers

A

Uniport
Symport
Antiport

25
Q

Internal structures are?

A

Of a cell, carry out specialized metabolic tasks.

26
Q

The nucleus?

A

Largest organelle.

27
Q

Nucleoplasm is?

A

Material in nucleus.

28
Q

Humans have how many chromosomes?

A

46 and 23 pairs.

29
Q

Ribosomes are?

A

Create protein

30
Q

Rough endoplasmic reticulum?

A

Creates protein.

31
Q

Smooth endoplasmic?

A

Doesn’t make protein because it lacks ribosomes.

32
Q

Autophagy?

A

Digestion of cells.

33
Q

Autolysis?

A

Cell suicide, digestion of a surplus cell by itself.

34
Q

Mitochondria makes?

A

ATP. Powerhouse of the cell.

35
Q

Golgi complex?

A

Sends the protein through vesicles.

36
Q

Basic components of a cell

A 
Plasma membrane
Cytoplasm 
Phospholipids 
Membrane protein
Peripheral protein

Ana Chp 3-4 (2 decks)

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