File
... Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included ...
... Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included ...
Chapter 5: Enzymes
... Enzymes catalyse almost all reactions in body. There are many different types of enzymes and each is specific and will be produced only when required. ...
... Enzymes catalyse almost all reactions in body. There are many different types of enzymes and each is specific and will be produced only when required. ...
Chapter 3: Energy, Catalysis, and Biosynthesis
... 13-29 For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase may be used more than once. Oxidative phosphorylation is a process that occurs in the __________________ of mitochondria ...
... 13-29 For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase may be used more than once. Oxidative phosphorylation is a process that occurs in the __________________ of mitochondria ...
Concept review: Chromatography (applied to protein purification)
... • 1. Cell disruption should be performed at cold temperatures. Keep the sample on ice as much as possible and use chilled solutions. This will decrease the activity of the proteases for the simple reasons that all chemical reactions occur more slowly at low temperature. • 2. Add protease inhibitors ...
... • 1. Cell disruption should be performed at cold temperatures. Keep the sample on ice as much as possible and use chilled solutions. This will decrease the activity of the proteases for the simple reasons that all chemical reactions occur more slowly at low temperature. • 2. Add protease inhibitors ...
Option D9 Drug Design HL
... related molecules (such as those with altered functional groups and geometries) kept by pharmaceutical companies. These are used to identify potential drugs that are similar to the lead compound but with greater potency and lesser side effects. Improves the efficiency of finding new drugs ...
... related molecules (such as those with altered functional groups and geometries) kept by pharmaceutical companies. These are used to identify potential drugs that are similar to the lead compound but with greater potency and lesser side effects. Improves the efficiency of finding new drugs ...
Size Exclusion Chromatography (1)
... the pores occurs. All analytes below permeation limit elute together at (V0 + Vi)* Selective permeation region: size between permeation limit and exclusion limit, where 0
... the pores occurs. All analytes below permeation limit elute together at (V0 + Vi)* Selective permeation region: size between permeation limit and exclusion limit, where 0
Enzymes
... • Charges on amino acids at active site also hold substrate in place. • Enzyme-substrate complexes are formed as before. • Products no longer fit the active site so they leave. ...
... • Charges on amino acids at active site also hold substrate in place. • Enzyme-substrate complexes are formed as before. • Products no longer fit the active site so they leave. ...
final-H-2006-07-v2
... 5. You may write on the test booklet, including marking your answer choices. (This may be helpful if you find yourself accidentally off by one question on the answer sheet.) However, only the responses on your bubble sheet will be scored. 6. The exam consists of 110 multiple choice questions. A refe ...
... 5. You may write on the test booklet, including marking your answer choices. (This may be helpful if you find yourself accidentally off by one question on the answer sheet.) However, only the responses on your bubble sheet will be scored. 6. The exam consists of 110 multiple choice questions. A refe ...
final-H-2006-07-v1
... 5. You may write on the test booklet, including marking your answer choices. (This may be helpful if you find yourself accidentally off by one question on the answer sheet.) However, only the responses on your bubble sheet will be scored. 6. The exam consists of 110 multiple choice questions. A refe ...
... 5. You may write on the test booklet, including marking your answer choices. (This may be helpful if you find yourself accidentally off by one question on the answer sheet.) However, only the responses on your bubble sheet will be scored. 6. The exam consists of 110 multiple choice questions. A refe ...
Substrate-Level Phosphorylation vs. Oxidative Phosphorylation
... Substrate-Level Phosphorylation vs. Oxidative Phosphorylation ATP is main molecule providing the energy for the cells to do their everyday work. An average person may have about 250 g of ATP in their cells, but because it is recycled (and recycled very quickly) a person may turn over this stock 160 ...
... Substrate-Level Phosphorylation vs. Oxidative Phosphorylation ATP is main molecule providing the energy for the cells to do their everyday work. An average person may have about 250 g of ATP in their cells, but because it is recycled (and recycled very quickly) a person may turn over this stock 160 ...
Characteristics of enzymes
... Lock and key hypothesis • The substances on which enzymes act are called substrates. • Active sites are depressions or ‘pockets’ on the surface of an enzyme molecule into which the substrate molecule(s) can fitjust like a lock and key. ...
... Lock and key hypothesis • The substances on which enzymes act are called substrates. • Active sites are depressions or ‘pockets’ on the surface of an enzyme molecule into which the substrate molecule(s) can fitjust like a lock and key. ...
Cellular Respiration in More Depth Part 1: ATP—The
... Read This! Glucose can be burned in oxygen (oxidized) to produce carbon dioxide and water. Combustion reactions release large amounts of energy. However, the energy release is uncontrolled. An organism would not be able to handle all that energy at once to do the work of the cell. Cellular respirati ...
... Read This! Glucose can be burned in oxygen (oxidized) to produce carbon dioxide and water. Combustion reactions release large amounts of energy. However, the energy release is uncontrolled. An organism would not be able to handle all that energy at once to do the work of the cell. Cellular respirati ...
Enzyme Structure and Function11
... This means that enzymes help speed up chemical reactions. How? ...
... This means that enzymes help speed up chemical reactions. How? ...
Practice problem chap3 1. The atomic mass of 35Cl (75.53%) and
... Practice problem chap3 1. The atomic mass of Cl (75.53%) and 37Cl (24.47%) are 34.968amu and 36.956amu.Calculate the average atomic mass in amu. 2. What is the mass percent (%) for O in SO2? (a) 38.09 (b) 45.41 (c) 50.00 (d) 53.86 (e) 56.43 3. How many molecules of ethane (C2H6) are present in 0.334 ...
... Practice problem chap3 1. The atomic mass of Cl (75.53%) and 37Cl (24.47%) are 34.968amu and 36.956amu.Calculate the average atomic mass in amu. 2. What is the mass percent (%) for O in SO2? (a) 38.09 (b) 45.41 (c) 50.00 (d) 53.86 (e) 56.43 3. How many molecules of ethane (C2H6) are present in 0.334 ...
Computational Protein Design as a Cost Function Network
... find amino acid sequences that folds into it. It can also be considered as a highly combinatorial variant of side-chain positioning [35] because of possible amino acid changes. Different computational methods have been proposed over the years to solve this problem and several success stories have de ...
... find amino acid sequences that folds into it. It can also be considered as a highly combinatorial variant of side-chain positioning [35] because of possible amino acid changes. Different computational methods have been proposed over the years to solve this problem and several success stories have de ...
ORGANISATION OF PHOSPHOLIPIDS IN BIOMEMBRANES
... which are characterised by torsional angles listed in Table I. In models A and B the two hydrocarbon chains j3 and y are found to be completely parallel to one another, Model A has a 9, angle of 180°, PI of 100" and n of 280", while the corresponding angles for model B are 6O0, 150" and 80" respecti ...
... which are characterised by torsional angles listed in Table I. In models A and B the two hydrocarbon chains j3 and y are found to be completely parallel to one another, Model A has a 9, angle of 180°, PI of 100" and n of 280", while the corresponding angles for model B are 6O0, 150" and 80" respecti ...
Unit1-MetabolicPathwaysweb
... What do you remember about enzymes? • They are proteins and can be denatured at high temperatures • They speed up (i.e. catalyse) a chemical reaction that transforms substrate(s) into product(s) and do not get used up/ modified in the process. • They have an active site in which the substrate binds ...
... What do you remember about enzymes? • They are proteins and can be denatured at high temperatures • They speed up (i.e. catalyse) a chemical reaction that transforms substrate(s) into product(s) and do not get used up/ modified in the process. • They have an active site in which the substrate binds ...
Cellular Respiration
... into two molecules of the three-carbon compound pyruvate (pyruvic acid) occurs in all cells gives a net gain of 2 ATP molecules in anaerobic respiration it is the only stage of respiration ...
... into two molecules of the three-carbon compound pyruvate (pyruvic acid) occurs in all cells gives a net gain of 2 ATP molecules in anaerobic respiration it is the only stage of respiration ...
Lecture 27
... A (Aminoacyl): EF-Tu.GTP dependent; mRNA dependent; occupied P Site P (Peptidyl): Reactive with Puromycin (Pm) E (Exit): Deacylated tRNA MONITOR BY CHEMICAL FOOTPRINTING: 30S A site protections: 50S P site protections (also X-linkers, EDTA-FeII) Looking at footprint pre and post peptide bond, transl ...
... A (Aminoacyl): EF-Tu.GTP dependent; mRNA dependent; occupied P Site P (Peptidyl): Reactive with Puromycin (Pm) E (Exit): Deacylated tRNA MONITOR BY CHEMICAL FOOTPRINTING: 30S A site protections: 50S P site protections (also X-linkers, EDTA-FeII) Looking at footprint pre and post peptide bond, transl ...
Types of Reactions Lab
... 2. Observe the mouth of the test tube for moisture. There are three products of this reaction: carbon dioxide, water and sodium carbonate. 3. Record your observations. 4. Write a complete balanced equation for this reaction. Section III: Single replacement reactions A + BC AC + B In this reaction, ...
... 2. Observe the mouth of the test tube for moisture. There are three products of this reaction: carbon dioxide, water and sodium carbonate. 3. Record your observations. 4. Write a complete balanced equation for this reaction. Section III: Single replacement reactions A + BC AC + B In this reaction, ...
Chapter 4:Chemical Quantities and Aqueous Reactions:
... Homogenous mixtures are called solutions. The major component that keeps its same state is called the solvent. The minor component, the one that may have a change in state, is the solute. Dilute solutions have a small amount of solute, concentrated solutions have a large amount of solute compared to ...
... Homogenous mixtures are called solutions. The major component that keeps its same state is called the solvent. The minor component, the one that may have a change in state, is the solute. Dilute solutions have a small amount of solute, concentrated solutions have a large amount of solute compared to ...
THE GENERAL LAW OF CHEMICAL KINETICS, DOES IT EXIST?
... Imagine that hydrogen oxidation reaction is performed under steady-state or pseudo-steady-state conditions. It means that concentrations of intermediates are governed by gas concentrations. Do we know, how to present the reaction rate as a function of main reactant and product concentrations (hydrog ...
... Imagine that hydrogen oxidation reaction is performed under steady-state or pseudo-steady-state conditions. It means that concentrations of intermediates are governed by gas concentrations. Do we know, how to present the reaction rate as a function of main reactant and product concentrations (hydrog ...
Bal Equations notes.cwk (WP)
... The Conservation of Matter states that “matter can neither be created nor destroyed, it just changes form”. If this is the case then we must account for all of the atoms in a chemical reaction. We cannot change the way compounds are put together but we can adjust the number of compounds that are mad ...
... The Conservation of Matter states that “matter can neither be created nor destroyed, it just changes form”. If this is the case then we must account for all of the atoms in a chemical reaction. We cannot change the way compounds are put together but we can adjust the number of compounds that are mad ...