Answer:
Prophase
Explanation:
During prophase, chromatin condenses into chromosomes, and the nuclear envelope, or membrane, breaks down. In animal cells, the centrioles near the nucleus begin to separate and move to opposite poles (sides) of the cell.
<span><em>They tell us how life evolved and adapted to different environments and global changes throughout the Earth's development</em>
<em> Hope this helps:)</em>
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Answer:
The chemical and electrical signals are used by brain for communication,sensation and thought. Brain uses electrical signals from communication.
It is important to understand because it's the way all cells reproduce (except sperm and egg cells, they do meiosis), and our cells are the essential parts of our whole being.
Anaerobic Respiration: The incomplete breakdown of glucose<span> WITHOUT </span>OXYGEN<span>resulting in a few ATP's and other high energy molecules. Two types of anaerobic respiration; Alcoholic Fermentation (yeast cells) and </span>Lactic Acid Fermentation<span>(higher animal muscle tissue during heavy activity).</span>
