What is the net charge on the tripeptide Gly-Arg-Lys at pH 7? The table below gives the pKaʹs of the ionizable groups on the free amino acids.

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#Question id: 15254

#Unit 2. Cellular Organization

For growth, most bacteria require water activity levels above

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#Question id: 10750

#Unit 10. Ecological Principles

Which of the following correct this model?

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#Question id: 8844

#Unit 9. Diversity of Life Forms

Organic chemistry is a science based on the study of

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#Question id: 19126

#Unit 12. Applied Biology

A successful biosensor must have some of the following features such as.

1. Should be highly specific for the analyte 

2. Reaction used should be independent of factors like stirring, pH, temperature, etc. 

3. Response should be linear over a useful range of analyte concentrations

Which of the following above statements are correct?

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#Question id: 19874

#Unit 13. Methods in Biology

Adding homopolymer tails to the 3’ end of DNA by an enzyme such as