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Biomolecular Structures and Models (Pre-test)

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For each of the following questions select the best answer.

1.Biological macromolecules, such as proteins, nucleic acids, carbohydrates and lipids are primarily composed of
A.Carbon, Hydrogen, Nitrogen, Oxygen
B.Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous, Sulfur
C.Only Carbon, Nitrogen
D.None of the above
2.A hydrogen bonding interaction can be described as is
A.Interaction between two hydrogen atoms
B.Interaction between hydrogen and oxygen or nitrogen atoms
C.Interaction between a hydrogen atom, covalently linked to one and near another electronegative atom
D.None of the above
3.Protein building blocks are called
A.Saccharides
B.Nucleotides
C.Amino acids
D.Fatty acids
4.A peptide bond is formed as a result of a/an _____________ reaction between two amino acids?
A.oxidation
B.reduction
C.dehydration
D.hydrolysis
5.When an enzyme changes its structure upon binding a substrate the following has changed:
A.Configuration
B.Chirality
C.Conformation
D.Connectivity
6.The 3D structure of a protein can NOT be determined using which of the following methods
A.Nuclear Magnetic Resonance spectroscopy
B.Light microscopy
C.X-ray crystallography
D.Electron microscopy
7.The ribbon diagram of a protein structure shows which of the following?
A.All atoms
B.Backbone atoms
C.Side chain atoms
D.All of the above
8.Which of the following resources is a primary resource for 3D structural data of biological macromolecules?
A.GenBank
B.UniProt
C.Protein Data Bank
D.National Center for Biotechnology Information
9.Visualization and analysis of a protein structure is NOT useful in
A.understanding possible functions of the protein
B.determining how tightly a given small molecule will bind to the protein
C.understanding the structural basis of diseases involving that protein
D.designing treatment options for a diseased state involving this protein
10.The structure shown below is that of
A.A globular protein
B.Hemoglobin
C.A. and B.
D.None of the above