Question 14Select all of the following that will slow down enzyme activity but not denature theenzyme.adding significant amounts of acid or baselowering temperatureheating to high temperaturesnoncompetitive inhibitioncompetitive inhibitionincreasing the concentration of substrate Question 16Select all of the following that will speed up enzyme activity but not denature theenzyme.adding significant amounts of acid or baseheating to high temperaturesnoncompetitive inhibitionincreasing the concentration of substratecompetitive inhibitionlowering temperature

There are four classes of biological macromolecules: proteins, nucleic acids, lipids and…

Answered: Question 14 Select all of the following…

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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QUESTION 26 During gluconeogenesis, whereby liver cells convert pyruvate to glucose, Fructose-6-phosphate (F6P) is converted to Glucose-6-phosphate (G6P). If the standard equilibrium concentrations are: [F6P] = 0.52 M and [G6P] = 1.48 M, then Keq’ is ______ and the reaction is ________. Fructose-6-P ó Glucose-6-P > 1; exergonic > 1; endergonic < 1; exergonic < 1; endergonic
Question 1: ATP synthases contains 3 copies of each of the large subunits (called α and β in the E. coli enzyme). The number of c subunits can vary among different ATP synthases, ranging from 8 to 17. Part a: Briefly explain how this variation in the number of c subunits would affect the energetics of ATP synthesis. For a fixed value of the protonmotive force, how much energy can the gradient provide to drive one revolution of the ATP synthase, in a synthase with 8 c- subunits versus a synthase with 17 c-subunits?
Question 1: When the CAC is run in reverse by microorganisms that use it to fix carbon, the citrate synthase reaction is different and is catalyzed by an enzyme called ATP-citrate lyase. Write the reaction catalyzed by ATP-citrate lyase, then briefly (in one sentence) explain why the use of different chemistry (different from the ‘normal’ direction) makes sense here.
QUESTION NO. 1L-Carnitine is synthesized primarily in the liver but also in the kidneys and then transported to other tissues. It is most concentrated in tissues that use fatty acids as their primary fuel, such as skeletal and cardiac muscle. In this regard, L-carnitine plays an important role in energy production by conjugating to fatty acids for transport from the cytosol into the mitochondria. L-carnitine shuttle is an example of A. ion driven active transport B. facilitated diffusion C. simple diffusion D. ATP driven active transportE. symport F. antiportQUESTION NO.2 Statements: (1) Glucose is both a hexose and a aldose. (2) There can never be more than three enantiomers for a molecule. (3) All common disaccharides have beta-one-four linkages. Which statements are true?
Question 1: The overall process enabled by the glyoxylate cycle is: (2acetyl-CoA) + (NAD+) + (2H2O) → (succinate) + (2CoA) + (NADH) + (2H+) Dissect this process further by writing down all of the reactions that are actually involved in making one succinate from two acetyl-CoA units. Show chemical structure for all intermediates.
Question 1: The 4 kinase steps in glycolysis are catalyzed by hexokinase, phosphofructokinase, phosphoglycerate kinase, and pyruvate kinase. Write each of these four reactions, including all participants. i. ii. iii. iv.
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, IV
Question:- 33) Glucose-6-phosphate has different pathways that it can enter in the liver during the fed state. All of the following are possible except OA.) it is oxidized to acetyl CoA for fatty acid biosynthesis O B). it can enter the pathway for glycogen biosynthesis O c.) it is a substrate for glucose-6-phosphatase OD. )it is oxidized in glycolysis to provide energy for the body
Question 34 A Nurse Practitioner is providing patient education to a 50-year-old woman who is taking methotrexate (MTX) for breast cancer. The nurse will instruct the patient to avoid which of the following drugs? Acetaminophen Salicylates Furosemide Digoxin
Question 56 You (a healthy individual) are swimming underwater when you can no longer resist the urge to breathe. This overwhelming urg probably due to O the autorhymthic cells in your diaphragm contracting O the decrease in O 2 available to the cells of the body. O the increase in plasma H *. O the increase in pH has made your blood dangerously alkaline. 1.67
QUESTION NO. 1Statements: (1) Glucose is both a hexose and a aldose. (2) There can never be more than three enantiomers for a molecule. (3) All common disaccharides have beta-one-four linkages. Which statements are true?QUESTION NO.2 Erythrocyte glucose transporter illustrates the type of A. ion driven active transport B. facilitated diffusion C. active transport D. simple diffusion E. secondary active transportQUESTION NO.3 which of the following statement/s accurately describe the surface of a lipid droplet? A. a monolayer of phospholipids B. a bilayer of phospholipid C. a network of perilipin protein D. a structured layer of triacylglycerol E. a chaotic hydrophobic/ hydrophilic interface
QUESTION 4 According to the Arrenhius theory, an acid is: a. a substance that forms hydroxide ions b. a proton donor c. a substance that forms hydronium ions d. a proton acceptor

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Question 14 Select all of the following that will slow down enzyme activity but not denature the enzyme. adding significant amounts of acid or base lowering temperature heating to high temperatures noncompetitive inhibition competitive inhibition