Name the three different polysaccharides. explain their structure (and their differences) and where they occur (where you find them).

Select the choice that best describes the stereochemistry of the following amino acid, and rank the priority of the four groups surrounding the alpha carbon (in DESCENDING order: 1-highest 4-lowest) NH₂ CO₂II CH₂SH Cysteine H D and S, (1-NH2, 2-CH2SH, 3-COOH, 4-H) Land R, (1-NH2, 2-COOH, 3-CH2SH, 4-H) OL and R, (1-NH2, 2-CH2SH, 3-COOH, 4-H) D and S, (1-CH2SH, 2-COQH, 3-NH2, 4-H) H

Consider this structure. Part 1 of 3 но Identify the monosaccharide. Select the single best answer. D-ribose D-2-deoxyribose Part 2 of 3 Identify the base. Select the single best answer. thymine guanine cytosine adenine uracil Part: 2/3 Part 3 of 3 Name the structure. NH₂

Briefly and in simple terms, describe the glycoside bond connecting two monosaccharides in a di- or polysaccharide.

Which statement about the glycoprotein shown below is true? OH CH₂OH OH HN HN-C =0 CH3 H₂ Protein CH N-H Protein It contains a deoxyribose sugar that could be metabolized by human enzymes. O The monosaccharide is attached to the protein via nitrogen in a residue's a-amine. It contains a ribose sugar that could not be metabolized by human enzymes. The monosaccharide is attached to the protein via nitrogen in a residue's side chain.

Consider this structure. NH₂ N N O P O N N Part 1 of 3 HO Identify the monosaccharide. Select the single best answer. D-ribose D-2-deoxyribose Part: 1/3 Part 2 of 3 Identify the base. Select the single best answer. Othymine O guanine ○ cytosine adenine uracil

Your friend has discovered a protein that they suspect is glycosylated. They decide to perform a series of tests to determine the nature of the oligosaccharide. Assuming/Knowing the following: Fucose molecular weight is approximately 164 Galactose molecular weight is approximately 180 GalNAc molecular weight is approximately  221 Mannose molecular weight is approximately 180  Sialic Acid molecular weight is approximately 309 Neuraminidase cleaves before a Sialic Acid (Sialic Acid and anything after leaves the protein) Beta-galactosidase cleaves after a Galactose (Galactose and anything before remains on the protein) Peanut Agglutinin binds to GalNAc Concanavalin A binds to Mannose Hemagglutinin binds to Sialic Acid Based on preliminary results, they suspect that the oligosaccharide is 7 glycosides long and weighs a total of 1414 g/mol They carried out the following experiments: they treated the protein with either a glycosidase or a lectin, and then pelleted the protein using…

There are several different types of carbohydrates and lipids.  But there are thousands of different kinds of proteins.  Considering the building blocks of proteins compared to the building blocks of carbohydrates and lipids, why do you think there are so many more types of proteins?   no handwritten answers please.

Draw a lipid structure. Properly label the polar and non-polar ends of the representation of a lipid below:

give one example of charbohydrate being used as information molecule, explain