**Question 37: The structure of Olestra can best be described as...**A. Two modified amino acids linked together B. Many fatty acids connected to an amino acid C. A disaccharide molecule connected to fatty acids D. A triglyceride molecule that has been linked to a sugar molecule E. None of these is a good description of Olestra.

Olestra is a fat-substitute that is non-absorbable. It is commonly used in ready-to-heat popcorn,…

Answered: The structure of Olestra can best be…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The structures of the amino acids leucine and isoleucine are shown: H 0 OH H CH, CH H₂C CH₂ Leucine CH H₂C OH CH₂ CH₂ Isoleucine a. Explain how the structure of amino acids determine the function. b. A mutation occurred in DNA of a globular enzyme. If the leucine amino acids were found within the active site of the enzyme, describe the effect this change is likely to have on enzymatic function. c. If a mutation in the DNA of a globular enzyme changed all of the leucine amino acids to isoleucine, predict how the relative position of the amino acid in the tertiary structure of the protein would be affected when the protein is placed in an aqueous solution. d. Justify your prediction by providing evidence that supports your claim.
Cardiolipin is a membrane lipid found in bacteria and it is a major component of the inner membranes of heart mitochondria (hence the word ‘cardio’ in its name). The structure of the major cardiolipin of heart is shown in th picture: What are the fatty acids present? a.Oleic acid b.Palmitoleic acid c.Stearic acid d.Palmitic acid
The storage polysaccharide starch is a mixture of the molecules amylose (an unbranched polymer of glucose) and amylopectin (a branched polymer of glucose). Both amylose and amylopectin only have one reducing end, but amylopectin has many nonreducing ends.Enzymes that break down these molecules act on the nonreducing ends. Briefly describe why this is advantageous.
Can you please solve the following question please.
Which of the following amino acid residues cannot act as a nucleophile? a. Serine b. Glutamate C. Isoleucine d. Cysteine
The enzyme hexokinase adds a phosphate toD-glucose but ignores its mirror image, L-glucose. Supposethat you were able to synthesize hexokinase entirely fromD-amino acids, which are the mirror image of the normalL-amino acids.A. Assuming that the “D” enzyme would fold to a sta-ble conformation, what relationship would you expect it tobear to the normal “L” enzyme?B. Do you suppose the “D” enzyme would add aphosphate to L-glucose, and ignore D-glucose?
If phenylalanine was not an essential amino acid, would diet therapy (the elimination of phenylalanine from the diet) for PKU work? Do not just say yes or no. Give a short explanation for this hypothetical situation.
The products of the acid hydrolysis of a triacylglycerol (fat) are Select one: a. fatty acids and glycerol b. the esters of fatty acids c. salts of fatty acids and glycerol d. salts of fatty acids
All sugar residues are in their D-isomeric forms. The first sugar residue is a(n): (select any/all answers that apply) A. hexose. B. pentose. C. furanose. D. pyranose. E. aldehyde when drawn in its linear form. F. ketone when drawn in its linear form.
Hello! I am working on a practice worksheet and am totally stuck on this question! Please be really clear in your explanation I'm trying to learn the concepts.
1. Lectins are ______. (Explain your answer in 1-3 sentences.) A. sugars specific to proteins B. proteins specific to sugars C. enzymes specific to carbohydrates. D. carbohydrates specific to enzymes. 2. Which of the following is a keto triose? (Explain your answer in 1-3 sentences.) A. dihydroxyacetone B. glyceraldehyde C. ribulose D. erythrose
What is a glycoconjugate? Choose all that apply. a. A glycoconjugate is a glycolipid or a glycoprotein b. A glycoconjugate is a term that is used to describe the addition of sugars to other biomolecules c. A glycoconjugate is a term that is used to describe the addition of sugars to other biomolecules 3. What is the glycocalyx? a. The glycocalyx describes the various symbols used to designate individual monosaccharides b. The glycocalyx is the complete ensemble of glycoconjugates and glycans at the cell surface c. The glycocalyx is a glycan that is made synthetically d. None of these are correct e. All of these are correct

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