Question

I. DNA replicates
II. Chromatin condenses.
III. Cell continues to grow.
IV. Nuclear membrane breaks down
V. Chromosomes line up at equator

Two structures seen in an animal cell are composed of microtubules are are produced by the centriole. What are those two structures?
A) vesicles and cytoplasm
B) chromatin and nucleolus
C) lysosomes and ribosomes
D) flagellum and centrosomes

Answer 1

Centrioles are organelles that are found only in animal cells and they produce D) flagellum and centrosomes.
Centrosomes help organize the microtubules present in the animal cell during cell division and also regulate the cell cycle.
Furthermore, the flagellum produced by centrioles in sperm cells help the cell move towards the egg and cause fertilization.