Privacy Policy. This website is an eBay Partner Network affiliate. That means that if you click on any links to eBay on this site, eBay uses tracking technology (cookies) to collect information to track your visit. If you purchase something from eBay within 24 hours of clicking on a link here, eBay pays me a small amount of the revenue they collect from the seller of the item you buy.
The nucleus is filled with protons and neutrons, usually depicted as spheres. you are thinking of a nucleus in an atom (chemistry). in biology, the rod-shaped structures inside the nucleus is the chromosome, the genetic material of the cell.hey are rod shaped bodies that lie at right angles to each other; internally they are made up of fine microtubules. â¦ Centrioles are best known for their role in generating microtubules, and during cell division, the centrioles diret the formation of the mitotic spindle. 2 people found this useful.
DNA is a very large molecule, made up of smaller units called nucleotides that are strung together in a row, making a DNA molecule thousands of times longer than it is wide.Each nucleotide has three parts: a sugar molecule, a phosphate molecule, and a structure called a nitrogenous base. DNA molecule is a double helix, a structure that looks much like a ladder twisted into a spiral. The sides of the ladder are made of alternating sugar and phosphate molecules, the sugar of one nucleotide linked to the phosphate of the next.