Chapter 10 (Muscular Tissue IV)

Question 1

Skeletal Muscle Tissue Structures

Answer 1

Z discs, A and I bands, H zone, M line

Question 2

Z discs

Answer 2

Separate one sarcomere from the next

Attachments for thin filaments

Question 3

A band

Answer 3

Darker middle part of the sarcomere

Length of thick filaments

Question 4

I band

Answer 4

Lighter, contains thin filaments but no thick filaments

Z discs passes through the center of each I band

Question 5

H zone

Answer 5

Center of each A band which contains thick but no thin filaments

Question 6

M line

Answer 6

Supporting proteins that hold the thick filaments together in the H zone

Question 7

Muscle Proteins

Answer 7

Contractile (Motor) proteins
Regulatory proteins
Structural proteins

Question 8

Contractile (Motor) proteins

Answer 8

Generate force during contraction

Question 9

Regulatory proteins

Answer 9

Switch the contraction process on and off

Question 10

Structural proteins

Answer 10

Align the thick and thin filaments properly
Provide elasticity and extensibility
Link the myofibrils to the sarcolemma