The microtubule-organizing center found in animal cells is an identifiable structure present during all phases of the cell cycle. specifically, it is known as the .) microtubulereb.) centrosomec.) centromered.) kinetochore

B. Centrosome

Explanation:

Centrosomes are where microtubules are organized, thus it's called the microtubule-organizing center. They are made up of centrioles that help in forming microtubules. Centromeres help in changing the shape of the cell membrane allowing it to divide into to two. It also helps in organizing the chromosomes during cell division.

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the correct answer is d