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 S, you expect to find _______ percent Z.
A) 8.33
B) 16.67
C) 50
D) 66.66
E) 66.67

Question

Quizplus · Accepted Answer

If there is twice as much S as Z, and the molecule contains 33.33% S, then there must be 16.67% Z (which is half of 33.33%). Therefore, the correct answer is B) 16.67.

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