Humans and mice differ because
A) their cells have different small organic molecules.
B) their cells make different types of large biological molecules.
C) their cells make different types of lipids.
D) their cells have some differences in the sequence of nucleotides in their nucleic acids.
E) their cells make different types of proteins.

Question

Quizplus · Accepted Answer

Humans and mice have differences in the sequence of nucleotides in their nucleic acids, specifically DNA. This leads to differences in gene expression and ultimately in the structure and function of their cells and organisms. The other choices are not necessarily true or are too general to explain the specific differences between humans and mice.

Humans and Mice Differ Because