Consider the pathway of a well known organic reaction Which step is rate determining step?

Consider the pathway of a well known organic reaction Which step is rate determining step?
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Consider the pathway of a well known organic reaction Which step is rate determining step? A. Formation ... III C. Formaton of V D. Formation of IV
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Description : The rate limiting reaction in the lipogenic pathway is (A) Acetyl-CoA carboxylase step (B) Ketoacyl synthase step (C) Ketoacyl reductase step (D) Hydratase step

Last Answer : Answer : A

Identify the products in the following disproportional reaction and also mention rate determining step. `2H-overset(D)overset(|)(C)=O + overset(@)(O)H

Description : Identify the products in the following disproportional reaction and also mention rate determining step. `2H-overset(D)overset(|)(C)=O + overset(@)(O)H

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Identify the products in the following disproportional reaction and also mention rate determining step. `2H-overset(D)overset(|)(C)=O + overset(@)(O)H

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Rate determining step in a reaction consisting of a number of steps inseries is the __________ step.(A) Fastest(B) Slowest(C) Intermediate(D) Data insufficient; can't be predicted

Description : Rate determining step in a reaction consisting of a number of steps inseries is the __________ step. (A) Fastest (B) Slowest (C) Intermediate (D) Data insufficient; can't be predicted

Last Answer : (B) Slowest

Pick out the wrong statement. (A) In a multistep reaction, the slowest step is the rate determining step (B) In general, the rate of a reaction becomes triple for every 10°C rise in temperature (C) Slow chemical reactions have generally high values of activation energy (D) Molecularity of a reaction cannot be zero but the order of a reaction can be zero

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Last Answer : (B) In general, the rate of a reaction becomes triple for every 10°C rise in temperature

The reaction step that has its transition state at the highest point on the reaction coordinate is the called the __________. (a) rate-determining step (b) activation energy (c) transition step (d) product favored step

Description : The reaction step that has its transition state at the highest point on the reaction coordinate is the called the __________. (a) rate-determining step (b) activation energy (c) transition step (d) product favored step

Last Answer : rate-determining step

Which of the following is not a correct statement about the electrophilic substitution mechanism of benzene? (a) Benzene functions as a nucleophile. (b) Formation of a carbocation intermediate is the rate-determining step. (c) The carbocation intermediate contains an sp3 hybridized carbon in the ring. (d) The addition product is a frequently observed minor product.

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Last Answer : The addition product is a frequently observed minor product.

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Last Answer : C

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Last Answer : A The reaction follows an alternative pathway of lower activation energy.

Which one of the following statements is not characteristic of allosteric enzymes? (A) They frequently catalyze a committed step early in a metabolic pathway (B) They are often composed of subunits (C) They follow Michaelis-Menten kinetics (D) They frequently show cooperativity for substrate binding

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Last Answer : Answer : C

Respiratory pathway is involved in both anobolis and catabolism it would hence be better to consider the respiratory pathway as an_____

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Respiratory pathway is involved in both anobolis and catabolism it would hence be better to consider the respiratory pathway as an_____

Description : Respiratory pathway is involved in both anobolis and catabolism it would hence be better to consider the respiratory pathway as an_____

Last Answer : Respiratory pathway is involved in both anobolis and catabolism it would hence be better to consider the respiratory pathway as an_____

What is the rate determining reaction of glycolysis show that this is a coupled reaction and it can be controlled allosterically?

Description : What is the rate determining reaction of glycolysis show that this is a coupled reaction and it can be controlled allosterically?

Last Answer : Need answer

Which step in developing new products involves determining whether the product idea is compatible with company objectives, needs, and resources on a general level ? 1. Product Development 2. Screening 3. Idea Generation 4. Business Analysis 5. None of these

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Which of the following is the first step in the determination of the primary structure of proteins? (a) determining the number and kind of amino acids in the peptide (b) reducing the disulfide bridges in the protein (c) protecting the N-terminal of the peptide (d) protecting the C-terminal of the peptide

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Last Answer : reducing the disulfide bridges in the protein

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Last Answer : a) Evaluation Evaluation includes observing the person, asking questions, and comparing the patient’s behavioral responses with the expected outcomes.

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(2) amount of oxygen used for biochemical oxidation Explanation: Biochemical oxygen demand or B.O.D. is the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in a given water sample at certain temperature over a specific time period. The term also refers to a chemical procedure for determining this amount. This is not a precise quantitative test, although it is widely used as an indication of the organic quality of water.

Description : (2) amount of oxygen used for biochemical oxidation Explanation: Biochemical oxygen demand or B.O.D. is the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to ... quantitative test, although it is widely used as an indication of the organic quality of water.

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Last Answer : Both I and II

An allosteric enzyme is generally inhibited by (A) Initial substrate of the pathway (B) Substrate analogues (C) Product of the reaction catalysed by allosteric enzyme (D) Product of the pathway

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Last Answer : Answer : D

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Last Answer : d) dark reaction.

In the metabolic pathway, ABCDE, discuss what effect molecule E would likely have on regulating the enzyme that catalyzes the reaction of A to B?

Description : In the metabolic pathway, ABCDE, discuss what effect molecule E would likely have on regulating the enzyme that catalyzes the reaction of A to B?

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Select the correct statement: (1) C4 pathway for. CO2 fixation were discovered by Hatch and Slack (2) CO2 is essential for photosynthesis (3) Addition of sodium carbonate in water retards photosynthetic rate in vallisneria (4) Phloem is the principal pathway for translocation of solutes

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Last Answer : Ans. ((c))

Fight-or-flight reactions cause activation of (a) the parathyroid glands, leading to increased metabolic rate (b) the kidney, leading to suppression of renin- angiotensin-aldosterone pathway (c) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine (d) the pancreas leading to a reduction in the blood sugar levels.

Description : Fight-or-flight reactions cause activation of (a) the parathyroid glands, leading to increased metabolic rate (b) the kidney, leading to suppression of renin- angiotensin-aldosterone pathway (c) ... epinephrine and norepinephrine (d) the pancreas leading to a reduction in the blood sugar levels.

Last Answer : (c) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine

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While determining the yield of open wells by the pumping test (A) Velocity of recharging water, increases with depression head (B) Depression head resulting at critical velocity, is called critical depression head (C) Working head is generally limited to (D) Maximum safe yield of an open well, is expected at critical depression head

Description : While determining the yield of open wells by the pumping test  (A) Velocity of recharging water, increases with depression head  (B) Depression head resulting at critical velocity, is called critical ... (D) Maximum safe yield of an open well, is expected at critical depression head 

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Last Answer : Answer : A

Pick out the correct statement. (A) A lower temperature favours the reaction of lower activation energy (B) The dispersion number for a reactor/vessel is uL/D (C) The rate controlling step in a reaction involving many steps is the fastest step (D) Pore volume and porosity of a catalyst is measured by Brunauer￾Emmett-Teller (BET) technique

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Last Answer : (A) A lower temperature favours the reaction of lower activation energy

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If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. (A) Film (B) Ash layer (C) Pore (D) None of these

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Last Answer : d) 1 and 3 only

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Mention the essential material (chemicals) to prepare soap in the laboratory. Describe in brief the test of determining the nature (acidic/alkaline) of the reaction mixture of saponification reaction. -Science

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