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In the following disaccharide, does the linkage represent an alpha linkage or a beta linkage? 

Which proton is the alpha proton? 

 Name the following compound using IUPAC rules.  Note: If necessary, make sure you correctly use commas, dashes and/or brackets. Do not include spaces. Do not capitalize letters. Names with improper notations will be marked incorrect. 

Select the major product if the following reaction is run at low temperature.   (Ignore stereochemistry)

The two pKa values for serine are given below. What is the pI of serine? 

This type of epidemiology answers the why and how, which includes identifying cause and effect. 

Which of the following is most soluble in aqueous acid such a hydrochloric acid? 

Which correctly illustrates the first step in an aldol mechanism? 

Select all the rings that have activators present. 

Predict the major product for the following reaction:  (Note: “ph” is the abbreviation of phenyl/benzene)