Chapter 2, Problem 3TYK

Given below is the structure of tallose.Answer the following questiona. what is the maximum number of stereoisomers can tallose have?b. how many chiral carbons does it have?c. what is the configuration of tallose is it D or L sugar?d. what type of monosaccharide is it?

How is the structure of saturated fats different from that of unsaturated fats? A. All of the carbons in the hydrocarbon tails of saturated fats are bonded to one another with double bonds. B. Saturated fats have three hydrocarbon tails bonded to the glycerol molecule instead of just two. C. The hydrocarbon tails in a saturated fat have the maximum number of hydrogens possible. D. Saturated fats have no oxygens present. What are the primary functions of carbohydrates in cells? A. Energy storage, cell identity, structure, and building blocks for synthesis. B. Catalysis, structure, and energy storage. C. Different orientation of a hydroxyl in the ring form. D. Different position of the carbonyl group in the linear form. A positive test for starch would give the following colors: A. Dark blue, black, or purple B. Red, yellow, orange-red, green C. Bright Purple D. Purely Blue

Between which two amino acids do disulfide bonds form? A.Alanine-Glycine B.Serine-Threonine C.Cysteine-cysteine D.Methionine-methionine

Biological activity of proteins is dependent on which? A. peptide bonds B. thermodynamic properties C. an aqueous environment D. protein conformation

Which functional groups are present in digitoxin? a. To what lipid family does the complex ring drawn to the right of the structure belong? b. Identify the type of glycosidic bond that joins each of the monosaccharide residue in the molecule c. Draw the open form of the monosaccharide used to produce the trisaccharide portion of digitoxin.

Which stereoisomer of the monosaccharide threose is shown below? a. D b. L c. R d. S

Which type of bond is formed through interactions of partial charges?   A. Ionic B. Covalent C. Hydrogen D. Peptide

What type of linkage is catalyzed by peptidyl transferase activity? a. anhydride b. mixed anhydride c. amide d. ester

What are the functional groups that can be found in the molecule? A. Ether, secondary amine, alkene (Ether, amina sekundar, alkena) B. Ether, primary amine, alkene (Eter, amina utama, alkena) C. Ether, amide, alkene (Eter, amida, alkena) D. Ester, primary amine, alkene (Ester, amina utama, alkena)