The distance between 1 and 7 spans a sarcomere correspond the structure at B is covered by the perimysium.
<h3>What is the smallest contractile unit within skeletal muscle?</h3>
A sarcomere comprises the segment between two consecutive Z lines and is the contractile unit of the muscle fiber, as it is the smallest portion of the muscle fiber capable of contraction and distension.
In this case, the distance between points 1 and 7 has the smallest structure of a skeletal muscle and corresponds to figure B.
See more about sarcomere at brainly.com/question/14005497
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The answer is D! I hope that helps
Answer:
C.
Explanation:
only a few types of molecules pass through the cell membrane
Answer: population of bacteria can survive and flourish by using light independence reactions
Explanation: So like the bacteria perform chemical reactions which produce energy for them
Multicolor necklace indicates that Monomers in a polymer are of different types
