The genetic code is based upon a triplets, where certain codons code for the same amino acid and are therefore redundant. Suppose instead that the genetic code is based upon a doublets. Given a nucleotide composition of four unique bases, determine the total possible number of codons.

Environmental impacts on evolution : mastery test

What in scientific term why the salty popcorn causes this thirst

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes