cell physiology Flashcards

1
Q

regulates entry and exit of ions, nutrients, and waste molecules through the membrane

A

selective permeability

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2
Q

functions of integral proteins

A

structural proteins, cell indicating markers

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3
Q

lipids and proteins are not ___ and float in membrane due to ____

A

static, thermal energy

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4
Q

temporary cell-cell adhesions

A

selectins

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5
Q

___ and ___ specializations of the cell reflect its function

A

morphological and structural

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6
Q

what is physiology

A

study of the normal functioning of a living organism and its component parts, including chemical and physical process

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7
Q

what affects fatty acid fluidity

A

chain length and saturation

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8
Q

present on external surfaces, functions as cell indication markers, receptors (cholera toxin)

A

glycolipid

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9
Q

calcium-dependent

A

cadherins

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10
Q

established a flexible boundary, protects cellular contents and supports cell structure

A

intercellular connection

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11
Q

phospholipids, phosphoglyceride, cholesterol

A

lipids

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12
Q

integral, peripheral, lipid-anchored

A

proteins

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13
Q

oleic acid

A

unsaturated lipid in a kinked form. less SA

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14
Q

how does cholesterol react to high temp

A

less susceptible to high temps

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15
Q

study of body functions in a diseased state

A

pathophysiology

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16
Q

primarily found in cell-matrix junctions- function in cell signaling

A

integrins

17
Q

most abundant type of membrane lipids

A

phospholipids

18
Q

is high cholesterol fluid or rigid

A

rigid

19
Q

cell-cell junctions such as adherent junctions and desmosomes

A

cadherins

20
Q

how does cholesterol affect permeability ability

A

increases tightness of membranes

21
Q

NCAMs. responsible for nerve growth

A

Immunoglobulin super family CAMs

22
Q

degree of membrane fluidity depends on

A

temperate and lipid content

23
Q

signaling molecules

A

ligands

24
Q

contains receptors that recognize and response to molecular signals

A

communication

25
Q

4 functions of the plasma membrane

A
  1. communication
  2. selective permeabilty
  3. intracellular connection
  4. physical barrier
26
Q

phospholipid bilayer separated substances inside and outside the cell

A

physical barrier

27
Q

glycoprotein

A

sugar molecule attached to a protein

28
Q

stearic acid

A

saturated, extended form, more SA