cell physiology

Question 1

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

Answer 1

selective permeability

Question 2

functions of integral proteins

Answer 2

structural proteins, cell indicating markers

Question 3

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

Answer 3

static, thermal energy

Question 4

temporary cell-cell adhesions

Answer 4

selectins

Question 5

___ and ___ specializations of the cell reflect its function

Answer 5

morphological and structural

Question 6

what is physiology

Answer 6

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

Question 7

what affects fatty acid fluidity

Answer 7

chain length and saturation

Question 8

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

Answer 8

glycolipid

Question 9

calcium-dependent

Answer 9

cadherins

Question 10

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

Answer 10

intercellular connection

Question 11

phospholipids, phosphoglyceride, cholesterol

Answer 11

lipids

Question 12

integral, peripheral, lipid-anchored

Answer 12

proteins

Question 13

oleic acid

Answer 13

unsaturated lipid in a kinked form. less SA

Question 14

how does cholesterol react to high temp

Answer 14

less susceptible to high temps

Question 15

study of body functions in a diseased state

Answer 15

pathophysiology

Question 16

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

Answer 16

integrins

Question 17

most abundant type of membrane lipids

Answer 17

phospholipids

Question 18

is high cholesterol fluid or rigid

Answer 18

rigid

Question 19

cell-cell junctions such as adherent junctions and desmosomes

Answer 19

cadherins

Question 20

how does cholesterol affect permeability ability

Answer 20

increases tightness of membranes

Question 21

NCAMs. responsible for nerve growth

Answer 21

Immunoglobulin super family CAMs

Question 22

degree of membrane fluidity depends on

Answer 22

temperate and lipid content

Question 23

signaling molecules

Answer 23

ligands

Question 24

contains receptors that recognize and response to molecular signals

Answer 24

communication

Question 25

4 functions of the plasma membrane

Answer 25

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

Question 26

phospholipid bilayer separated substances inside and outside the cell

Answer 26

physical barrier

Question 27

glycoprotein

Answer 27

sugar molecule attached to a protein

Question 28

stearic acid

Answer 28

saturated, extended form, more SA