Q5.5: Which of these components contribute to the fluidity of the plasma membrane?
1. phospholipids
II. cholesterol
III. Proteins
IV. nucleic acids
I, II and IV
I, II and III
II, III and IV
I, III and IV

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.