BIOMOLECULES- Please answer the questions properly.- Multiple choice1. Enzymes have known attributes and functions.Which of the following is NOT its common attribute orfunction?A. enzymes are specificB. enzymes may be used many times for a specificreactionC. enzymes provide activation energy for reactionsD. enzyme activity can be regulated2. Evaluate the following statements and identify thebest that can describe how a lysozyme works.?A. It cuts the bond in a polysaccharide, by holding sixsugarsin a row in its active site, and adding a watermolecule, causing hydrolysis.B. It is responsible for the cleaving of amino acidchains via the ping-pong mechanism.C. It cleaves the phosphodiester bond in nucleic acids,via hydrolysis.D. It hydrolyzes bonds in lipids, causing a split in afatty acid chain.

Enzymes are proteinaceous in nature, these are biological substances that are responsible for…

Answered: 1. Enzymes have known attributes and…

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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ymes change their conformation after each reaction, therefore they can only be used once. OEnzymes can be proteins that can be denatured by changes in pH or temperature. D Question 37 A major difference between purine and pyrimidine biosynthesis is that pyrimidine: O are attached to the ribose sugar while being synthesized O are completely synthesized prior to attaching to the ribose sugar O are partially synthesized, the sugar is added, then synthesis is completed O do not have a sugar moiety Question 38 Which of the following is produced in largest numbers by the TCA cycle?
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1. A student was given two test tubes. One tube contains a reaction catalyzed by an inorganic catalyst, while the second tube contains a reaction catalyzed by an enzyme which is protein in nature. Give two laboratory procedures which you can perform to differentiate which of the two tubes contain an enzyme-catalyzed reaction.
A) Myth: Enzymes are specific for one substrate. Fact: Like most enzymes, alliinase can act on multiple different substrates. Explain why most enzymes can act on more than one substrate compound. (Refer to the “Alliin-like Substrates" panel in your answer.)
1.A student was given two test tubes. One tube contains a reaction catalyzed by an inorganic catalyst, while the second tube contains a reaction catalyzed by an enzyme which is protein in nature. Give two laboratory procedures which you can perform to differentiate which of the two tubes contain an enzyme-catalyzed reaction. 2. List the enzymes whose levels are elevated in blood serum as a result of hepatitis or cirrhosis of the liver.
Protein synthesis is which type of reaction? Group of answer choices A. ester synthesis is anabolism B. ester synthesis is catabolism C. amide synthesis is catabolism D. amide synthesis is anabolism Triglyceride synthesis is which type of reaction? Group of answer choices A. amide synthesis is anabolism B. amide synthesis is catabolism C. ester synthesis is catabolism D. ester synthesis is anabolism
Researchers have identified an enzyme that can catalyze two different chemical reactions. Which of the following is most likely true based on this finding? A B C D The reactants involved in the two reactions are very similar in their charge and shape. The reactant in one reaction acts as an allosteric inhibitor while the reactant in the sec- ond acts as an allosteric activator. The enzyme contains both alpha-helices and beta-sheets in their secondary structures. The catalytic activity of the enzyme is dependent on both competitive inhibition and al- losteric regulation.
32. How are amino acids linked together to form proteins? Describe the bonds involved and draw a diagram. 33. What are the bonds and motifs that maintain protein secondary structure? 34. What factors affect enzyme activity? 35. What is the enzyme induced-fit theory?
Enzymes are dependent upon proper structure for their function. Please name 3 factors that can directly affect the structure of an enzyme.
13) What happens to the 3-D shape of enzymes when they are NOT in their optimal pH range?
For the tetrapeptide KASE: a. Draw its complete protonic equilibria. Indicate the net charge of each form and encircle the zwitterionic form. b. Give the full name of the tetrapeptide. c. Calculate its IpH. d. If the tetrapeptide was subjected to electrophoresis using a buffer solution at pH 7, at which electrode it will migrate?
Explain what is meant by "The Central Dogma"? In your explanation, describe the structure and function of the macromolecules that are important in this process. Describe at least two deviations to the Central Dogma.

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