Asked in Premeth Test 3 — The Cell, Evolution and Enzymes (5 March 2025) 2025Moderate

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.

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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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