Review Session #2 Quiz

What is NOT true of the chemical nature of life?

• We are comprised mainly of carbon compounds

• Chemical RXNS require an aqueous solution

• Cellular Chem is the most complex of any other system

• The chemistry is VERY unregulated

Cells are made of atoms- what makes up an atom?

• Nucleus: protons (+) and neutrons (neutral)

  & Electrons (-)

• Just protons and neutrons

• Protons (-) and Neutrons (+) in the nucleus

• only electrons

What is the atomic/molecular weight of an atom?

• number of protons

• number of nuetrons

• number of protons + neutrons

• number of neutrons + electrons

What determines how atoms interact?

• Neutrons

• Electrons

• Protons

• None of the above

What are covalent bonds?

• Sharing of e-

  Molecular marriage

• Giving of e-

  Molecular Marriage

• Molecular Dating

A molecule is a cluster of atoms held together by _________ bonds?

• Noncovalent

• Covalent

• Ionic

• H-Bonds

What determines the 3D geometry of organic molecules?

• Noncovalent

• Ionic

• Covalent

• H-Bonds

What are electrostatic interactions?

• Covalent

• Ionic

What are ionic bonds?

• Donation of e-

  Molecular Dating

• Sharing of e-

  Molecular Marriage

What type of bond makes it so both atoms have an electrical charge>

• Ionic

• Covalent