Functional carbohydrates exist in the form of
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- Question 12 Carbohydrates that appear in glycosylated proteins and lipids in the GA include I. N-Acetylglucosamine II. fucose III. mannose IV. galactose I, II, IV only I, II, III only II, III, IV only I, II, III, IVQuestion No.1 (1) A positive Tollen’s test classifies a monosaccharide as a reducing sugar. (2) The bond which links the two monosaccharides of a disaccharide together is a peptide bond. (3) Monosaccharides cannot be broken done into simpler units by hydrolysis reactions. Which of the following statements are true? Question No. 2 : Assuming that a strand of DNA has the following sequence: 5'-AACCGGTT-3' What is the sequence of complementary strand of DNA, from the 5' to the 3' direction?Question 1 Part A: State the name of a disaccharide that contains this molecule (structure B). Part B: A branched polysaccharide made up of many monomers of structure B bonded together is commonly a key component of cell surface membranes when attached to either a phospholipid or a protein. What is the name given to such a polysaccharide when it is attached to a protein in the cell membrane, and what is the function of this polysaccharide? ___ (Structure B attatched) Thank you kindly :)
- Question 10 (2 points) A protein heterodimer would be considered an example of: -primary structure -secondary structure -tertiary structure -quaternary structure -atomic structureQuestion 11. // Hint: Isoelectric focusing separates proteins based on their pI values, and can separate proteins that only differ by a net charge of ±1.±1. Recall that an amino acid residue with a negatively charged R group has a relatively low isoelectric point (pI) where it has zero net charge. Likewise, an amino acid residue with a positively charged R group has a relatively high isoelectric point (pI) where it has zero net charge. Order from Low pH to High pHQuestion 8. Which of the following isNOT true of carbohydrates?A. They are an important energy source.B. They can serve as strong buildingmaterials for biological construction,especially in plants.C. They are soluble in water.D. They exist only as monomers.
- Question 9. Which of thefollowing is not formed through adehydration synthesis reaction?A. polysaccharideB. polypeptideC. Nucleic acidD. phospholipidE. glycerolQUESTION 16 Peptidyl transferase activity (peptide bond enzyme activity) is associated with what site in the ribosome? E P A XQuestion #6 Part A. What do Serine, Threonine, and Tyrosine have in common? Part B. How would the addition of a phosphate group change the chemical behavior of those amino acids listed in part A?
- Question 22: which of the following secondary structures would you expect to find on the surface of a globular protein? Alpha helix Beta sheet Loops between two alpha-helices None of the above because water would disrupt the hydrogen bonding that stabilizes these structures A,B and C as long as the polar and charged amino acid side chains face the surface of the protein.Question 10. All of the following areparts of a nucleotide EXCEPT:A. a five-carbon sugar.B. a six-carbon sugar.C. a phosphate group.D. a nitrogenous base.Question 9. You have just been served a grilled piece of chicken with the skin intact. Which of the following macromolecules is NOT present in that chicken? A.proteins B.fats C.DNA D.glycogen E.starch