At pH 7.0, converting a glutamic acid to gamma-carboxyglutamate, will have what effect on the overall charge of the protein containing it?

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#Question id: 18685

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Match the items in Group 1 with an appropriate description in Group 2 

Group I                                      Group 2 

P. UPGMA                             1. Protein sequence database

Q. CLUSTALW                       2. Phylogenetic Analysis

R. SWISS-PROT                    3. 3-D structure visualization

S. RasMol                              4. Multiple sequence alignment

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#Question id: 1140

#Section 3: Genetics, Cellular and Molecular Biology

Cell sensitivity to an external signal is determined by:

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#Question id: 1133

#Section 3: Genetics, Cellular and Molecular Biology

What tertiary structure characterizes all cytokines?

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#Question id: 1929

#Section 2: General Biology

Which of the following is an example of an immune escape mechanism used by some tumor cells?

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#Question id: 14536

#Section 1: Engineering Mathematics

A point on a curve is said to be an extremum if it is a local minimum or a local maximum. The number of distinct extrema for the curve 3x^4 -16x^3 -24x^2 + 37 is