The molecule shown below is thiamine pyrophosphate, which serves as one of the 5 cofactors used by the pyruvate dehydrogenase (PDH) complex. Which arrow correctly indicates the location of the carbanion that forms and is used in the PDH mechanism?  

Given the carbohydrates shown below, which are epimers of each other?  

Which of the following are major destinies of glucose in cellular metabolism? 1) Glycogen 2) Oxidation via glycolysis and TCA 3) Conversion to reductive power via the pentose phosphate pathway 4) Incorporation into glycoproteins and proteoglycans

The figure above is a cartoon representation of the enzyme enolase. In catabolic metabolism, the substrate for the enzyme is _________ while the product is _________.

What bone is labeled #9 and #10 (it is the first bone of the carpals that is directly under the thumb) on the hand diagram below? HAND(1).png

Of the following molecules, identify the compound in which the carbon is fully oxidized:

Given the statement below, choose the best answer. Cyclization of the open form of glucose to the closed form creates

Which of the following is the correct name for the disaccharide shown below?  

Which of the following are means by which the cell regulates flux through a metabolic pathway? (choose the best answer below)

What enzyme converts fumarate to malate in the TCA cycle?