Question

identify the structures on the right.
label a
label b
label c
label d
done

Explanation:

• Label A: This is the double-stranded helical structure, the fundamental molecule carrying genetic information.
• Label B: This is the complex of DNA wrapped around histone proteins, the basic structural unit of chromatin.
• Label C: This is the condensed, coiled form of chromatin, visible during cell division.
• Label D: This is the organelle that houses the genetic material, the control center of the cell.

Answer:

Label A: DNA double helix
Label B: Nucleosome
Label C: Chromosome
Label D: Nucleus