Differences among organisms are caused by differences in the ________.
A) elemental composition from organism to organism
B) types and relative amounts of organic molecules synthesized by each organism
C) sizes of the organic molecules in each organism
D) types of inorganic compounds present in each organism

Question

Quizplus · Accepted Answer

The types and relative amounts of organic molecules synthesized by each organism are responsible for the differences among organisms. These include proteins, carbohydrates, lipids, and nucleic acids, which are the molecular building blocks of life. Elemental composition, size of organic molecules, and types of inorganic compounds present do not differ significantly between organisms and are not the main causes of differences among them.

Differences Among Organisms Are Caused by Differences in the ________