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Question 1

Musculoskeletal system includes

Answer 1

Muscles bones and joints

Question 2

What is the origin of muscle tissue

Answer 2

Mesodermal

Question 3

%of muscles by weight that contribute to the body

Answer 3

40-50%

Question 4

Properties of muscles include

Answer 4

Excitability, contractility,extensibility,elasticity

Question 5

The basis of classification of types of muscles

Answer 5

Location, appearance,nature of regulation

Question 6

Muscle bundles or fascicles are attached together by

Answer 6

Common collagenous connective tissue layer called fascia

Question 7

Which myofibril is a birefringent??

Answer 7

A-BANDS

Question 8

Smallest subunit of troponin to which the Ca bind to.

Answer 8

TnC / TpC

Question 9

Smallest subunit of troponin to which the Ca bind to.

Answer 9

TnC / TpC

Question 10

What tropomyosin complex subunit binds to tropomyosin?

Answer 10

Tpt/ tnt

Question 11

TnI bind to?

Answer 11

Actin,thus blocking the actin- myosin interaction

Question 12

Which is thw motor protein that can convert chemical energy to mechanical energy??

Answer 12

Myosin protein

Question 13

___________ and __________ keep thick and thin filaments in a proper alignment

Answer 13

Titin and nebulin