Enzymes: Regulatory - Creighton Chemistry Webserver
... Regulatory - Allosteric enzyme Aspartate transcarbamoylase (ATCase) Feedback control by production of end product of pathway Allosteric inhibition - CTP inhibits aspartate transcarbamoylase by binding to a regulatory site (not an active site) ...
... Regulatory - Allosteric enzyme Aspartate transcarbamoylase (ATCase) Feedback control by production of end product of pathway Allosteric inhibition - CTP inhibits aspartate transcarbamoylase by binding to a regulatory site (not an active site) ...
COURSE OUTLINE Course Code: SCH 204 Course Name
... At the end of this course, students will be evaluated as follows: ...
... At the end of this course, students will be evaluated as follows: ...
Document
... Brown and Henri investigated the substrate-dependence of an enzymecatalyzed reaction and found that the reaction reached a maximum velocity at high substrate concentrations (Vmax) ...
... Brown and Henri investigated the substrate-dependence of an enzymecatalyzed reaction and found that the reaction reached a maximum velocity at high substrate concentrations (Vmax) ...
syllabus for screening test (mcq type)
... The Chemical elements and its compounds : (a) (i) Group trends and periodic trends of effective nuclear charge, atomic and ionic radii, ionisation energies, electron affinity and electronegativity with respect to s-, p-, d- block elements. (ii) General trends of variation of electronic structures, e ...
... The Chemical elements and its compounds : (a) (i) Group trends and periodic trends of effective nuclear charge, atomic and ionic radii, ionisation energies, electron affinity and electronegativity with respect to s-, p-, d- block elements. (ii) General trends of variation of electronic structures, e ...
Review Sheet Exam 2 3.4-4.7
... 9. How many moles K2Cr2O7 is present in 250mL of 0.025M solution? ...
... 9. How many moles K2Cr2O7 is present in 250mL of 0.025M solution? ...
Document
... Bond formation involves the electrons (e-) in the outermost (valence) shell. A complete outer shell consists of 8 valence electrons (except H and He which have 2) Destruction of a bond corresponds to a release of energy. Generally double or triple bond energies are higher than for single bonds. ...
... Bond formation involves the electrons (e-) in the outermost (valence) shell. A complete outer shell consists of 8 valence electrons (except H and He which have 2) Destruction of a bond corresponds to a release of energy. Generally double or triple bond energies are higher than for single bonds. ...
Insights into the mechanistic details of protein synthesis
... Decades ago, Schimmel discovered a single basepair within the tRNA associated with the amino acid alanine (tRNAAla) that serves as an 'identity set' critical for recognition and processing by its associated aminoacyl-tRNA synthetase enzyme. Strangely, this base-pair resides far from the active site ...
... Decades ago, Schimmel discovered a single basepair within the tRNA associated with the amino acid alanine (tRNAAla) that serves as an 'identity set' critical for recognition and processing by its associated aminoacyl-tRNA synthetase enzyme. Strangely, this base-pair resides far from the active site ...
REACTION DYNAMICS
... Elastic, inelastic and reactive collisions. Differential cross section Orbital angular momentum L Impact parameter b Centrifugal barrier Excitation function Potential energy surface What information can infra-red chemiluminescence provide on the energetics and/or dynamics of a chemical reaction? Wha ...
... Elastic, inelastic and reactive collisions. Differential cross section Orbital angular momentum L Impact parameter b Centrifugal barrier Excitation function Potential energy surface What information can infra-red chemiluminescence provide on the energetics and/or dynamics of a chemical reaction? Wha ...
Faculty of Science Department of chemistry Physical Chemistry (2)
... 1. Develop a comprehensive understanding of the fundamental principles of physical chemistry. 2. Explain the fundamental principles of physical chemistry and their applications in chemical kinetics, molecular reaction dynamics, surface chemistry, catalysis, and colloid fields. 3. Promote problem-sol ...
... 1. Develop a comprehensive understanding of the fundamental principles of physical chemistry. 2. Explain the fundamental principles of physical chemistry and their applications in chemical kinetics, molecular reaction dynamics, surface chemistry, catalysis, and colloid fields. 3. Promote problem-sol ...
Final
... compounds with central atom having only an octet compounds with central atoms that can have an expanded octet ions resonance structures you will need to understand: the octet rule formal charges electronegativity (table will be provided) Given a Lewis structure, be able to: identify the shape identi ...
... compounds with central atom having only an octet compounds with central atoms that can have an expanded octet ions resonance structures you will need to understand: the octet rule formal charges electronegativity (table will be provided) Given a Lewis structure, be able to: identify the shape identi ...
one way
... - the temperature: according to k = A exp(-Ea/RT) - the presence or the absence of a catalyst: a catalyst lowers the activation energy Ea The chemical equilibrium is reached when forward and backward reaction velocities are equal. In this case, an equilibrium constant Kc is given which is constant f ...
... - the temperature: according to k = A exp(-Ea/RT) - the presence or the absence of a catalyst: a catalyst lowers the activation energy Ea The chemical equilibrium is reached when forward and backward reaction velocities are equal. In this case, an equilibrium constant Kc is given which is constant f ...
National 5 Chemistry Prelim Revision 1
... When solid sodium chloride dissolves in water, a solution containing sodium ions and chloride ions is formed. Which of the following equations correctly shows the state symbols for this process? ...
... When solid sodium chloride dissolves in water, a solution containing sodium ions and chloride ions is formed. Which of the following equations correctly shows the state symbols for this process? ...
1 Chemistry 201 Name Assignment 2 1. Consider the following
... 4. How many liters of O2 gas measured at 816 torr and 250.0°C are formed by the decomposition of 291 g of KClO? (Hint: You will need a balanced equation where KClO is the reactant. The other product is KCl.) ...
... 4. How many liters of O2 gas measured at 816 torr and 250.0°C are formed by the decomposition of 291 g of KClO? (Hint: You will need a balanced equation where KClO is the reactant. The other product is KCl.) ...
Understanding the complexity of Protein Function
... • Discovered over 20 years ago • Enzyme Class: Isomerase • Is a member of the cytochrome P450 enzyme family • P450s belong to a large family of proteins containing a heme cofactor • P450 enzymes have been identified in all domains of life • Prostaglandins are derivative of Arachidonic acid and produ ...
... • Discovered over 20 years ago • Enzyme Class: Isomerase • Is a member of the cytochrome P450 enzyme family • P450s belong to a large family of proteins containing a heme cofactor • P450 enzymes have been identified in all domains of life • Prostaglandins are derivative of Arachidonic acid and produ ...
Test: "Chemical Equations" (General Chemistry)
... 21. In a chemical equation, if a reactant or product is followed by (aq), it means that the: a. substance is in adequate supply c. reaction is a quick one b. substance is dissolved in water d. equation for the reaction is balanced 22. In a balanced chemical equation, the coefficients are important b ...
... 21. In a chemical equation, if a reactant or product is followed by (aq), it means that the: a. substance is in adequate supply c. reaction is a quick one b. substance is dissolved in water d. equation for the reaction is balanced 22. In a balanced chemical equation, the coefficients are important b ...
Exothermic vs Endothermic
... soon disappeared. The bag was filled with gas. If the total mass of the bag + tablet + water was 135 grams before the reaction, what was the total mass of the bag + liquid + gas after the reaction was completed? 60 grams 75 grams 135 grams 270 grams ...
... soon disappeared. The bag was filled with gas. If the total mass of the bag + tablet + water was 135 grams before the reaction, what was the total mass of the bag + liquid + gas after the reaction was completed? 60 grams 75 grams 135 grams 270 grams ...
Enzyme catalysis
Enzyme catalysis is the increase in the rate of a chemical reaction by the active site of a protein. The protein catalyst (enzyme) may be part of a multi-subunit complex, and/or may transiently or permanently associate with a Cofactor (e.g. adenosine triphosphate). Catalysis of biochemical reactions in the cell is vital due to the very low reaction rates of the uncatalysed reactions. A key driver of protein evolution is the optimization of such catalytic activities via protein dynamics.The mechanism of enzyme catalysis is similar in principle to other types of chemical catalysis. By providing an alternative reaction route the enzyme reduces the energy required to reach the highest energy transition state of the reaction. The reduction of activation energy (Ea) increases the amount of reactant molecules that achieve a sufficient level of energy, such that they reach the activation energy and form the product. As with other catalysts, the enzyme is not consumed during the reaction (as a substrate is) but is recycled such that a single enzyme performs many rounds of catalysis.