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What organelles can absorb iodine stain and be seen with the low power of a compound light microscope?

The organelles that can absorb iodine stain and be seen with the low power of a compound light microscope are the nucleus and the starch granules (amyloplasts). Iodine stains the nucleic acids in the nucleus and the stored starch in the amyloplasts, making them visible under the microscope.


Why can't DNA leave the nucleus?

DNA cannot leave the nucleus because it is a vital molecule that contains important genetic information needed for the cell to function properly. The nucleus acts as a protective barrier to ensure that the DNA remains safe and undamaged. If DNA were to leave the nucleus, it could be exposed to harmful substances or processes that could potentially harm the cell.


What can a nucleus relate to?

A nucleus is a membrane-bound organelle found in eukaryotic cells that contains the cell's genetic material. It controls the cell's activities and plays a critical role in regulating gene expression. The nucleus is often referred to as the control center of the cell.


Which diagram represent a cell organelle that can absorb iodine stain and then be seen with the low power of compound light microscope?

The diagram that represents a cell organelle that can absorb iodine stain and be seen with the low power of a compound light microscope is the nucleus. The nucleus absorbs the iodine stain and becomes visible under the microscope due to its high DNA content, which binds with the stain.


Why is DNA located on the nucleus?

Technically, DNA isn't ONLY found in the nucleus, depending on what organism we're talking about. Prokaryotic organisms usually have their DNA in something called the nucleoid, which isn't the same thing. Just as well, many bacteria utilize plasmids, which are small loops of DNA that can actually be moved from bacteria to bacteria. But if we're talking about eukaryotes, the reason is because the DNA is pretty important. In eukaryotes, there's a TON of it, and if any of it gets damaged, it's going to result in all future daughters cells being defective as well (this is why cancer spreads). So in order to keep DNA safe, it stays in the nucleus. When the cell needs some information off of the DNA, like to make protein, then the cell will make RNA, which is basically a copy of whatever information is needed. This ensures that the DNA is safe from any dangers outside of the nucleus while the RNA copies do all the work.