At the Molecular Level,cells from Different Types of Organisms Vary

Multiple Choice

At the molecular level,cells from different types of organisms vary in their tolerance to temperature and pH.This variation can mostly likely be attributed to

A) the types of enzymes present in the cells.
B) ATP efficiency.
C) ability of the cells to form glucose polymers.
D) replication of nucleic acids.
E) extent of saturation of fatty acids.