Chromatin is 

____________protein receptors form tunnels for ion transport across the plasma membrane.

________ molecules are a common way for the cell to turn on metabolic pathways.    

Which event occurs in metaphase?

Which is the correct  sequence of stages in the cell cycle?

The rough endoplasmic reticulum is the site for storage and detoxification.

Which event does not occur in telophase?

Binary fission by bacteria differs from mitosis because ___________.

Phagocytosis occurs when a cell brings a _____ inside a cell.

The mitochondria has its own DNA and ribosomes.