CHEM POST LEC

• Cations have more ________ than ________.

  protons, electrons
• The number of protons in atom corresponds to the

  atomic number
• Substances that cannot be broken down into simpler substances by ordinary reactions are called 

  elements
• In an uncharged atom, the number of protons _________ the number of electrons

  is equal
• Where in the human body would you be most likely to find an acidic conditions?

  stomach
• Which of the following contains the genetic code in human cells?

  DNA

  ATP

  WCSO

  RNS

  DNA
• The polymer protein is composed of which of the following monomeres?

  amino acids

  fatty acids

  ribonucleotide triphosphate

  sugars

  amino acids
• The strongest type of chemical is the one where electrons are shared between atoms is a ________ bond.

  Covalent
• The acidic gastric juices in your stomach have a pH closest to what value?

  pH2
• Which of the following is NOT true concerning enzyme activity?

  enzymes are not permanently altered by the chemical reactions they catalyze

  enzymes are considered organic catalysts

  enzymes form a temporary complex with their substrates

  all proteins are enzymes

  all proteins are enzymes