DNA is made up of the neucleotides A C G T How many length 4

DNA is made up of the neucleotides: A, C, G, T. How many length 4 DNA strands can be made? 236 256 512 128 484

Answer : The correct answer is B (256)

Explanation : Given, number of nucleotides = 4. This can be calculated by using the formula 4^n. So, 4X4X4X4 = 256 strands.