The nitrogenous bases found in the DNA are classified into two groups. Identify each of the following examples and/or characteristics as true of Purines or Pyrimidines.

___ 6-membered ring of carbon and nitrogen atoms

___ 5 membered ring fused with a 6 membered ring

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Match the description of each organism to the appropriate category