Compare the following sequences taken from four different proteins, and select the answer that BEST characterizes their relationships. A
B
C
1 DVEKGKKIDIMKCS
HTVEKGGKHKTGPNLH
GLFGRKTGQAPGYSYT
2 DVQRALKIDNNLGQ
HTVEKGAKHKTAPNVH
GLADRIAYQAKATNEE
3 LVTRPLYIFPNEGQ
HTLEKAAKHKTGPNLH
ALKSSKDLMFTVINDD
4 FFMNEDALVARSSN
HQFAASSIHKNAPQFH
NLKDSKTYLKPVISET
A) Based only on sequences in column B, protein 4 reveals the greatest evolutionary divergence.
B) Comparing proteins 1 and 2 in column A reveals that these two proteins have diverged the most throughout evolution.
C) Protein 4 is the protein that shows the greatest overall homology to protein 1.
D) Proteins 2 and 3 show a greater evolutionary distance than proteins 1 and 4.
E) The portions of amino acid sequence shown suggest that these proteins are completely unrelated.
Correct Answer:
Verified
Q21: The functional differences, as well as differences
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Q24: The average molecular weight of the 20
Q25: All of the 20 common amino
Q27: Which type of structure describes the overall
Q28: In a mixture of the five proteins
Q29: A nonapeptide was determined to have the
Q30: A major advance in the application of
Q31: Which type of structure refers to particularly
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