What biological macromolecule is made up of monomers like the one shown below?
fat
carbohydrate
protein
nucleic acid

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

People with one sickle cell allele are not likely to get malaria. what is this an example of?