It is either carcinogens or viruses (I think the first) I hope this helps!
Answer:
Cells from the cheek are a type of epithelial cell, similar to skin. ... They can be seen faintly even at 40x (scanning power), but the most dramatic images are at 400x where the nucleus is clearly visible as a dark spot in the center of the cell.
Explanation:
The best description of chromosomes by the end of metaphase 2 of meiosis is that they are lined up in the middle of the cell. You can help remember this by thinking of the "M" in metaphase as middle. this is because in this phase the chromosomes are lined up in the middle of the cell.
The speed of light in a vacuum is <span>299,792,458 meters/sec, or approximately 300,000 meters/second.
Hope this helps!</span>
Lactic acid fermentation produces lactic acid, while alcoholic fermentation produces ethanol. Both fermentation pathways also oxidize NADH to NAD+ during the process.