The nucleus takes dyes due to the presence of:
Correct answer: A. Chromatin
- A. Chromatin
- B. Lipid
- C. Metal ions
- D. Thylakoids
Explanation
This option is correct. Chromatin is composed of DNA and proteins, and it is present in the nucleus. It can take up certain dyes, especially those that bind to nucleic acids, allowing visualization of the nucleus under a microscope.
This question appeared on the UHS MDCAT 2024 paper, which you can sit online with every answer explained.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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