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BMB 401 Exam 1 Practice exam questions and Answers
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BMB 401 Exam 1 Practice exam questions and Answers
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BMB 401 Exam 1 Practice examquestions and Answers
Which histidine is a coordination site for iron in the heme prosthetic group in myoglobin and
hemoglobin? Correct Ans-The proximal histidine
What limits the rotation about a peptide bond? Correct Ans-Peptide bonds have partial
double bond characteristics
What does 2,3-BPG bind to? Correct Ans-Histidine residues in hemoglobin
Which protein structure is a beta turn part of? (primary, secondary, tertiary) Correct Ans-
Secondary
During transcription, is RNA read in the 5' to 3' direction, or the 3' to 5' direction? Correct
Ans-3' to 5'
Why might mutations leading to differences in DNA sequence not lead to differences in the
eventual amino acid sequence? Correct Ans-Because the genetic code may be degenerate
The primary and tertiary structures of myoglobin and what other molecule show high degrees
homology? Correct Ans-beta-globin
Ionic interactions are stronger between charged molecules in non-polar or polar
solvents? Correct Ans-Non-polar
The normal 3-dimensional structure of a protein is called what? Correct Ans-Native
state/conformation
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