Small, contractile units found in myofibrils.

SKELETAL MUSCLE

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Myofibril
B	Myofilaments
C	Sarcomere
D	Sarcolemma

Explanation:

Detailed explanation-1: -A sarcomere is the basic contractile unit of a myocyte (muscle fibre). A sarcomere is composed of two main protein filaments (thin actin and thick myosin filaments) which are the active structures responsible for muscular contraction.

Detailed explanation-2: -Sarcomeres are the smallest functional contractile unit of muscle, and myofibrils are striated muscle organelles that are comprised of sarcomeres that are strictly aligned in series.

Detailed explanation-3: -The smallest contractile unit in striated muscles is the sarcomere.

There is 1 question to complete.