Practice+Quiz+1

=Biochemistry Quiz=

Atoms are the ___ unit of matter. A.Biggest B.Base C.Smallest

The common elements that make up the atomic structure are... A.Carbon, Nitrogen, Hydrogen, Oxygen B.Carbon, Helium, Oxygen C.Nitrogen, Hydrogen, Oxygen, Sodium

Matter is.... A.Something found in space. B.Any thing with mass and volume. C.An everyday object.

Name two kinds of bonds. A.Ionic and covalent. B.Rubberband and string. C.Meiosis and Mitosis.

What are radioactive isotopes used for? A.Carbon Dating B.Disease Diagnosis C.Time of death. D.All of the above.

What are the building blocks of protein? A.Amino acids B.Ribosomes C.CHON D.Nitrogen

Why are carbohydrates important to living things? A.oxygen B.For energy C.Make protein D.Start the interphase.

What is the role of enzymes in the human body? A.Make the mRna B.work with protein as a catalyst. C.make sugar D. all of the above Answers: C. A. B. A. D.A.B.B.