The four main types of macromolecules found in organisms are proteins, lipids, carbohydrates and . a. monosaccharides
b. nucleic acids
c. fatty acids
d. starches

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Environmental impacts on evolution : mastery test

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different