DNA gets compact only during cell division and are called chromosomes. On other conditons, it forms a network of thin threads called chromatin network.
They re called granum singular and grana plural
Answer:
<h3>Biologists study humans, plants, animals, and the environments in which they live. They may conduct their studies--human medical research, plant research, animal research, environmental system research--at the cellular level or the ecosystem level or anywhere in between.</h3>