An Alien DNA-Like Molecule Is Isolated from the Frozen Remains

Multiple Choice

An alien DNA-like molecule is isolated from the frozen remains of a life-form found beneath the Martian polar ice caps. In this sample, for every base designated Q, there is twice that amount of base R; for every base Z, there is twice that amount of base S. If the molecule contains 33.33 percent R, what percentage of Z would you expect?

A) 6
B) 12
C) 24
D) 16.67
E) 54.66