A microarray known as a GeneChip, with most now known human protein coding sequences, has recently been developed to aid in the study of human cancer by first comparing twothree subsets of cancer subtypes. What kind of information might be gleaned from this GeneChip to aid in cancer prevention?

#Question id: 809

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which of the following double-stranded DNA molecules would denature at a lower temperature than the 40 base-pair double-stranded molecule described above?

#Question id: 810

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements concerning the process of spontaneous folding of proteins is false?

#Question id: 811

#Unit 1. Molecules and their Interaction Relevant to Biology

Protein S will fold into its native conformation only when protein Q is also present in the solution.  However, protein Q can fold into its native conformation without protein S.  Protein Q, therefore, may function as a ____________ for protein S.

#Question id: 812

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is not known to be involved in the process of assisted folding of proteins?

#Question id: 813

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following does NOT impose limits on protein folding?

#Question id: 814

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following uncommon amino acids are not found in the proteins?