A&p 1 Final Review

Front 1

Gap Junction

Back 1

Cellular connection that allows rapid passage between cells

Front 2

Basal lamina

Back 2

Barrier that restricts movement of proteins and other large molecules from underlying connective tissue to epithelium.

Front 3

Tight junction

Back 3

Cellular connection that prevents passage of water and solute between cells

Front 4

Ribosomes

Back 4

Synthesize proteins

Front 5

Substrate

Back 5

Binds with an enzyme in order to react

Front 6

Enzyme

Back 6

Decreases the energy needed to activate a chemical reaction

Front 7

Function of Ca2+ in muscles?

Back 7

Causes tripoli to change its shape and begin contraction.

Front 8

Myosin (cross bridges) are activated by?

Back 8

Nervous system impulses.

Front 9

Calmodulin

Back 9

Protein in smooth muscle that binds to Ca2+ to initiate contraction.

Front 10

Muscle cramps are caused by?

Back 10

Mebane permeability changes causing electrolyte depletion

Front 11

Lactic acid

Back 11

Causes muscle fatigue

Front 12

Creatinine phosphate

Back 12

Provides energy for quick contraction.

Front 13

Skeleral muscle

Back 13

Multiple nuclei near sarcolemma

Front 14

68

Back 14

Net gain of atp

Front 15

M line

Back 15

Helps stabilize thick filament

Front 16

Z lines

Back 16

Boundary between adjacent sarcomeres

Front 17

Gain of atp from glucose molecule

Back 17

34

Front 18

Hormones act on?

Back 18

Target cells