Answer:
The mitotic spindle is a microtubules-based bipolar structure that segregates the chromosomes in mitosis
The best answer is B. Endocrine glands are responsible for regulating body activities. Endocrine glands release chemicals that are called hormones which help the body to function properly. the endocrine system regulate many internal processes.
It polymerizes RNA by reading on the strands of DNA
In the mitochondrion, small molecules combine with (Oxygen) to produce (Water) and carbon dioxide.
This process releases a large amount of (Energy).