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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The correct answer is urinary system
I hope that helped
The best and worst possible outcome and the long-term effect on the cell if mRNA strands were miscopied is that the cell will not make functional proteins from that mRNA strand. The best and at the same time worst possible outcome is that the cell will not make functional proteins from the mRNA strand.<span>
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The answer is True.
When they differentiate, they become a specific cells with a specific function ( eg : brain cells, blood cells, liver cells, etc)
They each have a specific function which is why they're called specialized cells.
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The genes are from the nuclei of the egg (from the female) and the sperm (from the male) the different traits are joined to create the particular genes.
(I might be right.)