Muscles

Question 1

actin

Answer 1

thin filament

Question 2

myosin

Answer 2

thick filament

Question 3

myofibril

Answer 3

within muscle fibre, extend along cell length, has alternating dark and light bands

Question 4

T Tubules

Answer 4

Transverse tubular system; allow Ca2+ to diffuse in

Question 5

sarcomere

Answer 5

region from one Z line to another

Question 6

Z line

Answer 6

halfway through I band

Question 7

dense body

Answer 7

points of attachment for actin filament

Question 8

myotendinous junction

Answer 8

tendon and muscle junction

Question 9

intercalated disc

Answer 9

cell to cell junction at Z line

Question 10

Gap junction

Answer 10

Junction between two sarcomeres

Question 11

Purkinje fibres

Answer 11

Cardiac muscle tissue with lots of glycogen and electrical conductive properties

Question 12

Skeletal muscle

Answer 12

Striated, moves skeleton

Question 13

Tendon

Answer 13

Connects bone to muscle

Question 14

Ligament

Answer 14

Connects bone to bone

Question 15

A band

Answer 15

Dark band

Question 16

I band

Answer 16

Light band

Question 17

H zone

Answer 17

Small region between light bands

Question 18

Sarcoplasmic reticulum

Answer 18

Network of tubules, vesicles and Ca2+ store

Question 19

Sarcoplasm

Answer 19

Cytoplasm in muscle

Question 20

Sarcolemma

Answer 20

Plasma membrane in muscle

Question 21

Cadherin

Answer 21

Adhesion molecule anchoring actin to end of terminal sarcomeres