Exam 13: Carbohydrate Structure and Function

The following figure shows the cellular processes that synthesize,secrete,and recognize glycoconjugates in eukaryotic cells.Identify where lectins are located on the figure.

Which amino acid does penicillin form a complex with on transpeptidase?

Explain the information that glycan arrays provide about the cell.

Which enzyme is produced by penicillin-resistant bacteria?

Explain how penicillin functions.

The growth rate of pigs and chickens is often decreased when they eat raffinose-series oligosaccharides that are present in soybean-based feeds.Propose a method where pigs and chickens can still eat the soybean-based feeds but also grow at the same rate.

A -elimination reaction is used in glycan characterization to

The image below shows a(n)__________ glycosidic bond.

Because of antibody recognition,which of the following blood types can donate to a person with type O blood?

The structure of raffinose,stachyose,and verbascose differ in the number of __________ units attached to a __________.

To detect lectins on the surface of pathogenic and nonpathogenic bacteria,__________ would be used.

Which glycan is a major component of plant cell walls?

Which fluorescent dye is used to label glycans before HPLC?

Which glucose homopolymer is generated during daylight hours in plants?

One common way to characterize glycans is to

Amylose can form stable left-handed helical structures because of

Explain the connection the disaccharide lactose has to lacto-N-tetraose and lacto-N-fucopentaose I that is found in human breast milk.

Compare the two basic types of arrays developed for glycobiology research.

What are the biological implication of the increased branching in glycogen compared with amylopectin and amylose?

The glycan fragment shown below on the right has been cleaved by glycosylase enzymes and HPLC analysis has produced the peaks 1 to 6.Which of the following fragments corresponds to peak 1?