Practice Exam I- 2009

Practice Exam I- 2009 - 1. In secondary structure hydrogen...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1. In secondary structure hydrogen bonding occurs between some of the atoms that make up the polypeptide backbone. This bonding shows that: a) The carbon to hydrogen (C-H) bond is polar. b) The carbon to oxygen (C=O) double bond is polar. c) The nitrogen to hydrogen (N-H) bond is non-polar. d) The carbon to carbon (C-C) bond is non-polar. e) None of the above 2. A change in the primary structure of a polypeptide: a) must lead to a change in the secondary structure. b) must lead to a change in the tertiary structure. c) is most harmful if the overall conformation of the protein made from this polypeptide is altered. d) is most harmful if it leads to a change in the secondary structure but not the tertiary structure. e) has no effect on the overall conformation of the protein made from this polypeptide. 3. A denatured protein: a) has lost all function. b) will reclaim it’s function if it is able to refold properly. c) cannot reclaim its function. d) functions slightly less efficiently than a native protein. e) a) and b) 4. Which of the following statements about the twenty amino acids and the polypeptide chains made from them is true ? a) Polypeptide chains are broken down by a series of dehydration reactions. b)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

Practice Exam I- 2009 - 1. In secondary structure hydrogen...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online