Respuesta :

Answer:

The nucleus is surrounded by the endoplasmic reticulum, which is covered in spots by ribosomes.

Explanation:

When the animal cell divides, the nucleus breaks up, and the nuclear envelope falls apart.

The nucleus is surrounded by the endoplasmic reticulum, which is covered in spots by ribosomes. When the animal cell divides, the nucleus breaks up, and the nuclear envelope falls apart.