Myscle Functions

Question 1

Where would you find the smooth muscle cell?

Answer 1

Inside the walls of the intestinal walls (involuntary contraction)

Question 2

Where would you find the cardiac muscle cell?

Answer 2

Inside the walls of the heart (involuntary contraction)

Question 3

Where would you find the skeletal muscle cells?

Answer 3

Attached to the bones of the skeleton (voluntary contraction)

Question 4

What is the role of calcium?

Answer 4

• muscle relaxed: tropomyosin blocks myosin binding sites along the actin molecule
• muscle contracted: calcium ions bind to troponin on actin tropomyosin to move away from the myosin binding sites

Question 5

What is actin?

Answer 5

A family of globular multi functional proteins that firm micro filaments

Question 6

What are three mechanisms to make atp?

Answer 6

1: the breakdown of creatine phosphate
2: aerobic cellular respiration
3: fermentation

Question 7

What is Tropomyosin

Answer 7

The guard mechanism that prevents a skeletal muscle from contracting irregularity or on its own.

Question 8

What is Phosphorus?

Answer 8

Plays an important role in how the body uses carbohydrates and fats

Question 9

What is Calcium?

Answer 9

A mineral needed to build and maintain strong bones

Question 10

What is Miosin?

Answer 10

A protein that converts chemical energy in the form of ATP to mechanical energy thus generating force and movement