The contractile units of skeletal muscles are myofibrils. Thus,option A is correct.
<h3>What is skeletal muscles?</h3>
Skeletal muscles are 32 to 40% of total body mass. The type of muscles that connect to bones and allow to perform a wide range of movements and functions.
Skeletal muscles are easily controlled and work according to the desire .
Skeletal muscles are specialized tissue that is connected to bones and allows movement.
Therefore, the contractile units of skeletal muscles are myofibrils. Thus option 1st is correct.
Learn more about myofibrils here:
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Thinking things through, and looking for all possible outcomes. If you think of all possible outcomes, then you will be prepared and more likely to solve the problem you are solving. This applies to every problem. Also, look at things from different angles.
Answer:
D
Explanation:
Cells are living things therefore, nonlivng objects do not have cells
4. Gene frequencies will remain constant
So other scientists can try the exact same experiment and see if they both got the same results.