How Ras mutations are often found in cancers. Another protein that is often mutated in cancers is PTEN, an enzyme that hydrolyses PIP3, generating PIP2. Mutations that inactivate PTEN are found in 75% of gliomas. Suggest why inactivating mutations of PTEN are selected for in cell lineages leading to cancer.

Models are non-visual ways of coummincating how someone thinks about something in the natural world

What organelle other than the nucleus houses dna in a eukaryotic cell?

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?