everyday science MCQ #1645

Chromosomes are:

everyday science MCQ #1645

  1. Question 1

    Q1. Chromosomes are:

    • A) Present only in the nucleus of a cell
    • B) The biggest in number in human cells
    • C) Made up of DNA as a main component
    • D) Visible in all cells at all times

    Answer: Made up of DNA as a main component

    Explanation: Chromosomes are primarily composed of DNA (deoxyribonucleic acid) tightly wound around histone proteins, forming the structural basis for genetic information storage and transmission.