NEET NEET 2013 Biomolecules Report Error A Enzymes are denatured at high temperatures but in certain exceptional organisms they are effective even at temperature 80 90 C B Enzymes require optimum pH for maximal activity C. Allosteric enzymes are typically single-subunit enzymes.
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An enzyme lowers the free energy difference between substrates and products and changes the equilibrium position of the reaction it catalyses.
. D Phosphorylation of an enzyme results in a conformational change. C Phosphorylation of an enzyme is an intracellular process and cannot occur in response to external signals. Which of the following statements about enzyme.
Which of the following statements regarding enzymes is FALSE. I Enzymes do not alter the overall change in free energy for a reaction. Enzyme function is dependent on the pH and temperature of the reaction environment.
Enzymes are protein molecules which acts as a catalyst and speed up the reaction when they act on substrate. Three of the following statements about enzymes are correct and one is wrong. Enzymes alter the free energy change ΔG of the reactions which they catalyze.
Enzymes are used up when they catalyze a chemical reaction so must be synthesized for each new chemical reaction. A phosphorylation of an enzyme is not a reversible process since it is a covalent modification. Allosteric enzymes show greater sensitivity to changes in substrate concentration compared to classical type enzymes with hyperbolic kinetics.
O Natural substrates bind to enzymes more tighly than transition state analogues. Which of the following statements about enzyme function is correct. Few non-proteinaceous enzymes are.
Which of the following statements about the mechanism of allosteric control of enzyme activity is correct. O The rate of formation of the transition state intermediate determines the overall reaction rate. Which of the following statements is correct about oxidative pentose phosphate pathway.
Biochemically enzymes are huge polymers of amino acids. Which of the following statements about the nature of enzyme catalysis is correct. Question 3 Which of the following statements about the nature of enzyme catalysis is correct.
A Km the Michaelis constant is defined as the concentration of substrate required for the reaction to reach maximum velocity. Which of the following statements about a conjugated enzyme is correcta. A Enzymes require optimum pH for maximal activity.
The enzyme binds a cofactor that interacts with the substrate to facilitate the reaction. B Enzymes are denatured at high temperature but in certain exceptional organisms they are effective even at temperatures 80-90 o C. O The active site of an enzyme is perfectly complementary to the substrate in its.
Enzymes are very specific for certain substrates. C phosphorylation of an enzyme is an intracellular process and cannot occur in response to. Which one of the following is wrong.
6 Which of the following statements about enzymes isare correct 1 Enzymes speed from BIOLOGY BEC539 at Korea University. Which of the following statements about enzyme function is correct. Iii Enzymes speed up reactions by lowering activation energy.
Three of the following statements about enzymes are correct and one is wrong. Dissecting microscope have larger working distance D. Enzymes are active in narrow biological range of temperature and pH.
Ore oder til Natural substrates bind to enzymes more tightly than transition state analogues. Which one is wrong. The binding of two substrates in the active site provides the correct.
General Organic and Biological Chemistry 7th Edition Edit edition Solutions for Chapter 212 Problem 1QQ. Which of the following statements about enzymes are correct. Which of the following statements about the nature of enzyme catalysis is correct.
By Get Answers The Boss 181k points181k points 17 109 369 asked in Other Jan 4 1 view. Thus enzymes become inactive at very low or very high temperature. Some unique properties of enzyme are They are required in trace amount.
Which one of the following statements is correct with reference to enzymes. Which of the following statements about the control of enzyme activity by phosphorylation is correct. B Km the Michaelis constant is defined as the dissociation constant of the enzyme-substrate complex.
Enzymes can lower the activation energy of reactions but they cannot change the equilibrium point because they cannot change the net energy output. 1 Which of the following statements about restriction endonucleases is correct. C Enzymes are highly specific.
They are specific in their action. Dissecting microscope requires extremely thin specimen C. A They are enzymes that are present in prokaryotes b They catalyze the hydrolysis of phosphodiester linkages at specific points within the nucleotide base sequence of the DNA strands c Both a and b are correct d They are not present in prokaryotes e They have no tertiary.
B Phosphorylation of an enzyme occurs by protein phosphatases. CORRECT ANSWEREnzymes can lower the activation energy of reactions but they cannot change the equilibrium point because they cannot change the net energy output. Group of answer choices It generates NADH It oxidizes NADPH to NADP The pathway supplies ribose 5-phosphate and NADPH in the quantities the cell requires Glucose 6-phosphatase catalyzes the rate-limiting reaction of the pathway.
Which of the following statements is correct about the difference between dissecting microscope and compound light microscope. The active site can provide heat from the environment that raises the energy content of the substrate. B phosphorylation of an enzyme occurs by protein phosphatases.
Ii Enzymes are proteins whose three dimensional shape is key to their functions. Correct answer is option A. It always contains a metal atomc.
It always contains a nonprotein partd. They are affected by concentration pH temperature etc. Most of the enzymes barring a few exceptions are proteins.
An enzymes function depends on its three-dimensional shape. Explanation for correct option. It contains only amino acidsb.
See more Which of the following is changed by the presence of an enzyme in a reaction. Enzyme activity can be inhibited if the. Iv Enzymes are highly specific for reactions.
The active site of an enzyme is perfectly complementary to the substrate in its ground state. The active site of the enzyme can provide a microenvironment with a different pH that facilitates the reaction. C Km the Michaelis constant is expressed in terms of the reaction velocity.
They are not amino acids but are polymers of amino acids. A 3-D image on compound microscope while 2-D image on dissecting microscope B. Enzyme function is dependent on the three-dimensional structure or conformation of the enzyme.
Get the answer to this question and other important questions asked in NEET only at BYJUS. The rate of formation of the transition state intermediate determines the overall reaction. A Phosphorylation of an enzyme is not a reversible process since it is a covalent modification.
An enzyme can lower the energy of activation of the reaction it catalyses by increasing the molecular collisions between the molecules.
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