Which of the following is NOT a matched pair of: a protein's structural level name and an example of that level?
A) primary structure - sequence of amino acids
B) quaternary structure - separate proteins joining to form a larger complex
C) secondary structure - parts of chain wrap into an alpha helix
D) tertiary structure - short chain portions fold into pleated sheet
Question 2
When boron is added to a layer of ultrapure silicon, the result is ________.
A) n-type silicon
B) p-type silicon
C) an excess of negative charges
D) electrons that are free to roam
E) A and C