Define and understand what isomers are

What is the most appropriate method of gaining weight (muscle mass)

Which nutrients contain nitrogen in addition to carbon hydrogen, and oxygen? a) vitamins. b) proteins. c) carbohydrates. d) fat

What characteristic does giardia have that makes it a protist, a characteristic that all other protists have? a. it is a unicellular eukaryote. b. it is a eukaryote that is not an animal, a plant, or a fungus. c. it is parasitic and has flagella. d. it spends part of its time in a body of water.