Introduction

Question 1

cells that make up the functional elements of an organ

Answer 1

parenchyma

Question 2

structural framework of an organ; background tissue

Answer 2

stroma

Question 3

serve to transport ions across membranes

Answer 3

pumps

Question 4

allow passage of water-soluble molecules via diffusion

Answer 4

channels

Question 5

allow for cell recognition & binding on cell membrane

Answer 5

receptor proteins

Question 6

initiate enzymatic RXNs following binding with ligand

Answer 6

transducers

Question 7

components of ion pumps & digestive action

Answer 7

enzyme

Question 8

add mechanical stability to membrane

Answer 8

structural proteins

Question 9

functional units of living organisms

Answer 9

cell

Question 10

cells with similar morphology and or function form

Answer 10

tissue

Question 11

anatomically discreet collections of tissues that perform certain functions

Answer 11

organs

Question 12

tissues and organs organized into larger _____ which may be discreet entities or diffuse aggregates

Answer 12

systems

Question 13

fluid tissue contained within vessels of circulatory system

Answer 13

blood

Question 14

surrounds & supports other tissue

Answer 14

connective tissue

Question 15

covers body surfaces, lines cavities, and forms glands

Answer 15

epithelium

Question 16

contains specialized contractile cells responsible for movement

Answer 16

muscle

Question 17

contains modified cells responsible for intercellular communication

Answer 17

nervous tissue

Question 18

prevents tissues form autolyzing/denaturing by fixation

Answer 18

formalin

Question 19

basic blue dies that stains acids

Answer 19

hematoxylin

Question 20

red-pink acidic dye that stains bases

Answer 20

eosinophilic

Question 21

hydrophilic portion of cell membrane contains ____ & ____

Answer 21

+ charged N groups; - charged phosphate groups

Question 22

proteins on surface of membrane

Answer 22

extrinsic or peripheral proteins

Question 23

proteins incorporated within membrane

Answer 23

intrinsic or integral proteins

Question 24

protein that extend from one side of membrane to the other

Answer 24

transmembrane protein

Question 25

transmembrane protein that is always open

Answer 25

pore

Question 26

transmembrane protein that can open and close

Answer 26

channels

Question 27

occurs down a concentration gradient where molecules pass directly through the membrane from a high concentration to low concentration

Answer 27

simple diffusion

Question 28

passive & concentration dependent transport that requires carrier molecules like ion channels

Answer 28

facilitated diffusion

Question 29

channels that are always open

Answer 29

ungated channels

Question 30

channels that can be open or closed allowing selective permeability

Answer 30

gated channels

Question 31

requires change in membrane potential to open channel

Answer 31

voltage gating

Question 32

requires binding of signaling molecule or neurotransmitter to open channel

Answer 32

chemical gating

Question 33

important type of channel that uses facilitated diffusion- allows water to cross plasma membrane faster than by simple diffusion alone

Answer 33

aquaporins

Question 34

transport that is independent of concentration that requires ATP hydrolysis

Answer 34

active transport

Question 35

bulk transport or vesicular movement from ECS to cytoplasm

Answer 35

endocytosis

Question 36

bulk transport or vesicular movement from ECS to cytoplasm where extracellular molecules (ligands) bind to receptor proteins located in pits of cell membrane in order to start the process

Answer 36

receptor-mediated endocytosis

Question 37

bulk transport or vesicular movement from cytoplasm to ECS

Answer 37

exocytosis

Question 38

transport of material across or through a cell, via sequential endocytosis followed by exocytosis

Answer 38

transcytosis