The name of the structure labeled as A is 'myosin'. Moreover, the name of the structure labeled as B is 'actin'.
A sarcomere is the basic unit of muscle contraction. This unit is defined as the region between two Z-lines.
Band A is a central band composed of the thick filaments of myosin.
Moreover, the sarcomere also has two halves of a band known as I-band, which consists of thin filaments of actin.
Muscle contraction is caused by the interaction between actin and myosin protein filaments in the sarcomeres.
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One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this type of chromosomal alteration called <u>translocation.</u>
A chromosomal fragment is translocated when it is moved from one genomic sequence to another. Around two nonhomologous chromosomes, a translocation mechanism takes place in order to permit the interchange of fragments created by chromosomal breakage.
When a segment of one chromosome separates and affixes towards another chromosome, translocation takes place. If there is neither genetic material growth nor loss in the cell, such a form of rearrangement would be referred to as balanced.
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I think its C also
hope that helped : )
Cell, Tissue, Organ, Organ System
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