Answer:
I believe a layer deep underground would have older things, because the ground could erode over time causing the fossil to sink into the ground.
Through phosphorylation, Cdks signal the cell that it is ready to pass into the next stage of the cell cycle. As their name suggests, Cyclin-Dependent Protein Kinases are dependent on cyclins, another class of regulatory proteins. Cyclins bind to Cdks, activating the Cdks to phosphorylate other molecules.
The chance that a human child will be born male is 50%
The difference is cancer cells need to be provided with nutrients and they may grow indefinitely until one day they in the cycle they stop rather then stopping at ''checkpoints'' but in the normal cells making they some what ''immortal'' lol these is the most common difference
