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NEET UG BIOLOGY MCQ: LOCOMOTION AND MOVEMENT
1
Medium
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Understanding
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Choose the correct statements regarding muscle proteins
I. Actin is a thin filament and made up of two F-actins
II. The complex protein, tropomyosin is distributed at regular intervals of troponin
III. Myosin is a thick filament which is not a polymerized protein
IV. The globular head of meromyosin consists of Light Meromyosin (LMM)
Option containing correct statement is
I. Actin is a thin filament and made up of two F-actins
II. The complex protein, tropomyosin is distributed at regular intervals of troponin
III. Myosin is a thick filament which is not a polymerized protein
IV. The globular head of meromyosin consists of Light Meromyosin (LMM)
Option containing correct statement is
View answer and explanation
Correct option: C
Only I
Option C (Only I) is correct because only statement I accurately describes actin as a thin filament made of two F-actins.
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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.