Radium has a half life of 1,620 years. in how many years will a 1 kg sample of radium decay and reduce to 0.125 kg of radium?

If the first nucleotide after the promoter on the bottom dna strand in the simulation is changed from c to t, what would the resulting nucleotide be on the mrna? test your prediction by making the change and running the simulation.

What are chlorofluorocarbons made of

Which is the best example of plant tissue? the answer is d (just took the test)