The cell was discovered approximately how many years ago

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?