Answer:
T-tubules (transverse tubules)
Explanation:
T-tubules, also known as transverse tubules, are narrow tubes that are continuous with the sarcolemma (i.e., the cell membrane of striated muscle cells). In skeletal/cardiac muscle cells, T-tubules form invaginations of the sarcolemma that contain many ion channels involved in excitation-contraction (e-c) coupling of muscle cells. Thus, transverse tubules function to conduct the action potential from the cell membrane (sarcolemma) to the interior of the muscle cell.
Since domestic cats reproduce through meiosis, each parent gives off half of their genetic code (or DNA) to their offspring. The answer would be B, 19 chromosomes because that is half of 38. That is why when a parent gives birth to their child, they don't look exactly the same or act exactly the same as either of their parents. They are a mix of both, which is another explanation for why no two people look exactly alike.
You may wonder, a domestic cat births more than one offspring at a time. If multiple offspring share the same parents, why don't they look the same? The reason for that is because the half DNA that the parent is giving off is a different half than they gave to another offspring, if that makes any sense.
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It helps organize the biology of different bi-organisms plz mark as brainlest<span />
Many things can factor depends on how the plant was made, such as a cactus, it has adapted to the climate, so an area like a rainforest would drown it.