Which of the following statements is false?

Which of the following statements is false?
  a. In chain elongation, the amino acids are added to
  the chain according to the codon sequence in the
  messenger RNA.
  b. Several ribosomes, called a polysome, can travel
  along the messenger RNA molecule, translating
  it at the same time.
  c. The general shape of transfer RNA molecules is
  uniform.
  d. Enzymes found in the ribosome catalyze the
  formation of the bonds in the new polypeptide.
  e. None of these is false.

Question 2

Which event occurs during the elongation stage?
  a. Peptide bonds form.
  b. Free amino acids bind to the mRNA binding
  site.
  c. Anticodons bind to complementary codons.
  d. A STOP codon enters the ribosome.
  e. Peptide bonds form, and anticodons bind to
  complementary codons.