The H band lie around the zone of the thick filaments and is the most appropriate choice.
<h3>What is H band?</h3>
This appears in the middle of the sarcomere and consists of only myosin and is characterized by the presence of thick filaments in the structure.
In this band, actin is not present which is how the band is usually identified in the laboratory.
Read more about H band here brainly.com/question/26129970
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Large floral are used in the reproduction in pteridophytes
Pretty sure the answer is D
In multicellular organisms, life begins as a single cell until mitosis occurs, causing growth. Good luck!