How many members of the House of Representatives are up for reelection every two years?

Which of the following did James Madison proposed try to accomplish at the Constitutional Convention?

Click on the saturated fat.

Click on the element that is in all our red blood cells and binds oxygen.

Click on the part of the amino acid that is called a carboxyl group.

Which are the roles of lipids that we emphasized in our class notes? Select all that apply. That means you will pick at least 2 correct answers.

Which are roles of ionic compounds in living things? SELECT ALL THAT APPLY. This means you need to select at least two correct answers!

Click on the nitrogen base in this picture of a nucleotide.

Which subatomic particle determines if two atoms are isotopes?

For each of the following substances, choose which macromolecule it is. starch [a] insulin [h] cellulose [b] tryglyceride [c] sucrose [d] saturated fat [e] testosterone [f] keratin [g]