Sarcomere

Question 1

Thick, inner layer filament of a sarcomere

Answer 1

Myosin

Question 2

Thin, outer layer filament of a sarcomere

Answer 2

Actin

Question 3

A complex of three regulatory proteins that are integral to muscle contraction in skeletal and cardiac muscle is _________

Answer 3

Troponin

Question 4

Calcium comes in and binds to the ______

Answer 4

Troponin

Question 5

A protein involved in muscle contraction. Occurs together with troponin in the thin filaments.

Answer 5

Tropomyosin

Question 6

Tropomyosin _____ the active sites

Answer 6

Blocks

Question 7

Z Disc

Answer 7

Dark line, end of Actin filament

Question 8

Dark zone in sarcomere

Answer 8

A band

Question 9

Light zone in sarcomere

Answer 9

I band

Question 10

Middle line of sarcomere, inside the H zone

Answer 10

M line

Question 11

If we contract Z discs all the way, the _______ disappears

Answer 11

H zone.

Question 12

There’s an optimal range of _____ for _____ output

Answer 12

Length, tension.

Question 13

There is an inverse relationship between _______ and __________

Answer 13

Force, velocity.