Chargaff's Rule Says

Multiple Choice

Chargaff's rule says:

A) that there are 20 amino acids that make up all proteins
B) that in DNA molecules,the amount of adenine always equals the amount of thymine and the amount of cytosine always equals the amount of guanine
C) lipids always will be hydrophobic molecules
D) that the ratio of carbon atoms to hydrogen atoms to oxygen atoms is 1:2:1 in carbohydrates
E) macromolecules are formed by dehydration synthesis reactions