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NEET UG BIOLOGY MCQ: LOCOMOTION AND MOVEMENT
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Select the correct statement with reference to muscle structure
I. Each myosin is a polymerized protein
II. Many meromyosin constitutes one thick filament (myosin)
III. Each meromyosin’s tail is called heavy meromyosin (HMM) and head is called light meromyosin (LMM)
IV. The globular head is an active ATPase enzyme and has binding sites for ATP and active sites for actin
Choose the option with correct statements
I. Each myosin is a polymerized protein
II. Many meromyosin constitutes one thick filament (myosin)
III. Each meromyosin’s tail is called heavy meromyosin (HMM) and head is called light meromyosin (LMM)
IV. The globular head is an active ATPase enzyme and has binding sites for ATP and active sites for actin
Choose the option with correct statements
View answer and explanation
Correct option: C
All except III
Option C (All except III) is correct because the tail of meromyosin is called light meromyosin (LMM), and the head is called heavy meromyosin (HMM).
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bind …A… in skeletal muscles and leads to the exposure of binding site for …B… on the filament …C…
Identify A, B and C, so as to complete the given statements Which is not the function of endoskeleton? Read the following statements about human skeleton system and choose the option that correctly states them true (T) and false (F).
a. Total number of bones in hind limbs are 60
b. There are 26 bones in vertebral column of an adult man
c. There are 2 pairs of vertebrochondral ribs
d. Axial skeleton is comprised of 80 bones
Assertion : Muscle contraction force increases
with rise in strength of stimulus.
Reason : This is due to increased contraction of
individual muscle fibres with increase in stimulus
strength.
Identify A, B and C, so as to complete the given statements Which is not the function of endoskeleton? Read the following statements about human skeleton system and choose the option that correctly states them true (T) and false (F).
a. Total number of bones in hind limbs are 60
b. There are 26 bones in vertebral column of an adult man
c. There are 2 pairs of vertebrochondral ribs
d. Axial skeleton is comprised of 80 bones
Assertion : Muscle contraction force increases
with rise in strength of stimulus.
Reason : This is due to increased contraction of
individual muscle fibres with increase in stimulus
strength.