Which codon is the code for the amino acid histidine His?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

If your blood becomes too concentrated with iona, what will happen to the red blood cells

The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.