The following statements are either True or False. Please label accordingly. a. L-Amino reductase is an enzyme. b. Allosteric enzymes are composed of two or more protein chains. Heavy metals are examples of inhibitors. They function by binding to sulfur on cysteine amino acid residues. C. d. A reversible noncompetitive inhibitor temporarily blocks an enzyme's active site. Enzymes don't denature as easily as smaller proteins when heated or stressed due to their complex secondary and tertiary structure. e. Oxidative phosphorylation is the biochemical process by which ATP is synthesized from ADP when protons cross the inner mitochondrial membrane. f. g. DNA and RNA strands differ only in the fact that DNA forms a double helix. h. There is no secondary structure in RNA strands.

The following statements are either True or False. Please label accordingly. a. L-Amino reductase is an enzyme. b. Allosteric enzymes are composed of two or more protein chains. Heavy metals are examples of inhibitors. They function by binding to sulfur on cysteine amino acid residues. C. d. A reversible noncompetitive inhibitor temporarily blocks an enzyme's active site. Enzymes don't denature as easily as smaller proteins when heated or stressed due to their complex secondary and tertiary structure. e. Oxidative phosphorylation is the biochemical process by which ATP is synthesized from ADP when protons cross the inner mitochondrial membrane. f. g. DNA and RNA strands differ only in the fact that DNA forms a double helix. h. There is no secondary structure in RNA strands.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Please handraw this graph with all the necessary detailed information: Imagine that I text enzyme rate for four different temperatures: 10 degrees celsius, 20 degrees celsisus, 30 degree celsius, and 40 degree celsius, in separate tubes. The enzyme appears to work faster as temperature increases, but completely ceases activity at 40 degrees celcius. Sketch a graph to show this outcome, but here you will graph product formation (nmoles/mL) vs. time (minutes). The graph should be 4 lines and HANDDRAWN. Include a legend if necessary. You do not need precise quantitivate values, but most show the correct trends on the graph.
Which of the following is true about allosteric enzymes? A. Allosteric enzymes are always multimeric. B. Regulatory sites (allosteric sites) on an allosteric enzyme are always different from the catalytic site. C. Allosteric enzymes always change the conformation of the active site in response to binding of an allosteric modulator. D. Suicide inactivators are examples of allosteric modulators.
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.)
Which of the following is NOT a role of coenzymes? A. Receiver or donor of hydrides in redox reactions B. Receiver or donor of carboxyl groups in reactions that involve carboxyl group transfer. C. Receiver or donor of amino groups in transamination and deamination reactions. D. Receiver or donor of alkyl, alkenyl, acyl, or formyl groups in transfer reactions. E. Receiver or donor of oxygen in oxygenation reactions.
Identify which of the following pairs of amino acid residues can have hydrogen bonding between their side chains.a. Alanine and Glycineb. Leucine and Isoleucinec. Valine and Asparagined. Threonine and Tyrosine2. Draw a picture showing the details of the hydrogen bonding among the pairs in exercise 1
Prosthetic group is: Select one: a. The side chain of amino acid b. Cofactor attached to the enzyme only when the enzyme is active c. Enzyme inhibitor d. Cofactor attached to the enzyme covalently e. No answer is correct
CHOOSE THE CORRECT LETTER Which of the following amino acids is/are ketogenic?A. tyrosine and phenylalanineB.lysine and isoleucineC. threonine and tryptophanD. leucine and lysine
Proteases are one of the main drug targets. Choose the False statement regarding proteases. A. Proteases are enzymes that cleave peptide bonds. B. Water is a reactant in the reaction catalyzed by proteases. C. Proteases, like all enzymes show substrate specificity, meaning they cleave only substate that fit the bonding product. D. Proteases rely on the proton transfer from NADH to the substrate. E. Protease mechanism involves only acid-base catalysis.
Which of the following is incorrect about the enzyme chymotrypsin? a. It catalyzes the addition of water across a double bond O b. It is known as a serine protease O c. Artificial substrates are used to monitor the reaction catalyzed by the enzyme d. It is classified as a hydrolase
Define the following: 1. Cofactor 2. Coenzyme 3. "-ase" ending
A Proenzymes is inactive because it contain an additional polypeptide chain that masks(blocks) the active site of the enzyme?
Competitive inhibitors are: Select one: О а. bind to another part of an enzyme and making the active site less effective b. causing the enzyme to change shape. bind to the active site of an enzyme d. doesn't compete with the substrate