What are the different levels of organization of a muscle down to myofilaments

the different levels of organisation of muscles down to myofilaments includes: molecular level and microscopic levels

Explanation:

The molecular level consist of actin and myosin( which forms the contractile units of the skeletal muscle). The actin and myosin filaments slide past each other to cause the shortening of a muscle fibre.

The microscopic level consist of sarcomere and myofibril. Sarcomere is the fundamental unit of muscle while the myofibrils consist of the myofilaments ( thick and thin filaments) which are organised into parallel units.

true is the

interphase

the period of cell growth when the cell synthesizes new molecules and organelles. the cell is not dividing and it constitutes the majority of the time spent in the cell cycle

prophase

changes occur in the nucleus and cytoplasm. the chromatin condenses to form structures (sister chromatids) visible with a light microscope and the mitotic spindle begins to form, but the nucleus is still in tact

prometaphase

the nuclear envelope fragments and the spindle microtubules attach to the kinetochores of the sister chromatids

metaphase

all the cell's duplicated chromosomes are lined up at an imaginary plane equidistant between the poles of the mitotic spindle

anaphase

begins when sister chromatids separate from each other and ending when a complete set of daughter chromosomes arrives at each of the two poles of the cell

telophase

the daughter nuclei form at the two poles of a cell

cytokinesis

the division of a cytoplasm to form two separate daughter cells. usually occurs during telophase during mitosis. this and mitosis make up to mitotic (m) phase of the cell cycle