He La cells have play important role in the study of cancer and even in cancer therapies. He La cells are also used to diagnose trisomic disorders such as Down's Syndrome with the help of chromosome banding. Some genes present in the He La cells are used as markers and compared with the other cell line in question. Presence of the marker for Down's syndrome in the cell in question shows that the person is suffering from the disease.
Answer:
Eukaryotic cells
Explanation:
Prokaryotic cells do not have a nucleus but eukaryotic cells do.
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The nucleus directs all activities that happen within the cell and contains the cell genetic material (DNA).<span> The nucleus gives the signal to the cell to grow, divide and/or make proteins. </span>
Brown algae and dinoflagellates
Reason: Because they are the closest being in the same branch, makes them the most related.
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<h3><u>Answer;</u></h3>
D) it lacks a nuclear membrane and resides inside the nucleus
<h3><u>Explanation;</u></h3>
- <em><u>Nucleolus is a type of cell organelle that is located in the nucleus of an tom. </u></em>Nucleus is the control center of an atom, it controls all the cellular activities taking place in the cell.
- <em><u>Nucleolus is made up of ribosomal RNA and proteins. The main function of the nucleolus is to assemble or formation of ribosomes. </u></em>Ribosomes are cell organelles that are found in the cytoplasm either attached on the endoplasmic reticulum or freely floating in the cytoplasm, where the process of protein synthesis takes place.
