Lecture 2: Bonding in solids
... In an octahedral geometry, The energy difference between the occupation of a t2g and an eg orbital is termed ΔO The value of ΔO depends on the repulsion exercised by the bonding electron pairs on the d electrons Compared to a transition metal atom the bonded ligand atoms are usually much more electr ...
... In an octahedral geometry, The energy difference between the occupation of a t2g and an eg orbital is termed ΔO The value of ΔO depends on the repulsion exercised by the bonding electron pairs on the d electrons Compared to a transition metal atom the bonded ligand atoms are usually much more electr ...
Experiment 1:
... The London dispersion force is the weakest intermolecular force. It is a temporary attractive force that results when the electrons in two neighboring atoms occupy positions that make the atoms form temporary dipoles. Since electrons are constantly in motion, they can be distributed unevenly about t ...
... The London dispersion force is the weakest intermolecular force. It is a temporary attractive force that results when the electrons in two neighboring atoms occupy positions that make the atoms form temporary dipoles. Since electrons are constantly in motion, they can be distributed unevenly about t ...
Chemical Equations and Reactions
... It has only qualitative meaning, until the equation is balanced are given. Provide valuable information such as the number of moles or atoms of the elements or formulas contained in the equation. Example methane + oxygen →carbon dioxide and water CH4(g) + O2(g) → CO2(g) + H2O(g) Unbalanced CH4(g) + ...
... It has only qualitative meaning, until the equation is balanced are given. Provide valuable information such as the number of moles or atoms of the elements or formulas contained in the equation. Example methane + oxygen →carbon dioxide and water CH4(g) + O2(g) → CO2(g) + H2O(g) Unbalanced CH4(g) + ...
Lehninger Principles of Biochemistry 5/e
... 2. In this transamination reaction, the aamino group is transferred to the a-carbon atom of a-ketoglutarate 3. The glutamate then functions as the amino group donor for biosynthetic pathways or for excretion pathway 4. Amino transferase contain the prosthetic group, pyridoxal phosphate (PLP) 5. PLP ...
... 2. In this transamination reaction, the aamino group is transferred to the a-carbon atom of a-ketoglutarate 3. The glutamate then functions as the amino group donor for biosynthetic pathways or for excretion pathway 4. Amino transferase contain the prosthetic group, pyridoxal phosphate (PLP) 5. PLP ...
Chapter 5 - Organic Chemistry, Biochemistry
... The oxygen or nitrogen atoms of the peptide bond are capable of hydrogen- bonding with hydrogen atoms elsewhere on the molecule. This bonding produces two common kinds of shapes seen in protein molecules, coils (helices) and pleated sheets. The helices and pleated sheets are referred to as a protein ...
... The oxygen or nitrogen atoms of the peptide bond are capable of hydrogen- bonding with hydrogen atoms elsewhere on the molecule. This bonding produces two common kinds of shapes seen in protein molecules, coils (helices) and pleated sheets. The helices and pleated sheets are referred to as a protein ...
Ch 19 reading guide
... transformed into the high energy bond ____________________, which leads to phosphorylation of the enzyme on a ____________ residue, then finally to formation of ___________. 12. Draw the three-reaction transformation of succinate to oxaloacetate. (You need to know this basic pathway well because it ...
... transformed into the high energy bond ____________________, which leads to phosphorylation of the enzyme on a ____________ residue, then finally to formation of ___________. 12. Draw the three-reaction transformation of succinate to oxaloacetate. (You need to know this basic pathway well because it ...
Slide 1
... People who know that plants give off oxygen often assume that plants must not also take it in. But this assumption is wrong. All living things--plants included-- take in oxygen from the air. Plant cells have special structures called chloroplasts--named for the chlorophyll they contain. Plants use c ...
... People who know that plants give off oxygen often assume that plants must not also take it in. But this assumption is wrong. All living things--plants included-- take in oxygen from the air. Plant cells have special structures called chloroplasts--named for the chlorophyll they contain. Plants use c ...
the krebs cycle by stef worrall
... 5. 4 carbon compound is changed into another 4 carbon compound 6. ADP is phosphorylated to produce a molecule of ATP 7. The second 4 carbon compound is changed into another 4 carbon compound 8. Coenzyme FAD is reduced – due to accepting a pair of hydrogen atoms that have been removed 9. The resulti ...
... 5. 4 carbon compound is changed into another 4 carbon compound 6. ADP is phosphorylated to produce a molecule of ATP 7. The second 4 carbon compound is changed into another 4 carbon compound 8. Coenzyme FAD is reduced – due to accepting a pair of hydrogen atoms that have been removed 9. The resulti ...
active site
... • If cofactor is a nonprotein organic moleculeCoenzyme. • Coenzymes often serve as electron acceptors to help break bonds. • Coenzymes then transfer the electrons to other compounds. (Remember NAD+ and ...
... • If cofactor is a nonprotein organic moleculeCoenzyme. • Coenzymes often serve as electron acceptors to help break bonds. • Coenzymes then transfer the electrons to other compounds. (Remember NAD+ and ...
Previous IB Exam Essay Questions: Basic Molecules, Proteins
... (each position is occupied by one of) 20 different amino acids linked by peptide bonds secondary structure formed by interaction between amino and carboxyl/-NH and C=O groups (weak) hydrogen bonds are formed (α-) helix formed / polypeptide coils up or (ß-) pleated sheet formed tertiary structure is ...
... (each position is occupied by one of) 20 different amino acids linked by peptide bonds secondary structure formed by interaction between amino and carboxyl/-NH and C=O groups (weak) hydrogen bonds are formed (α-) helix formed / polypeptide coils up or (ß-) pleated sheet formed tertiary structure is ...
![Consider the diamagnetic complex, [Os(NH3)5(CO)]](http://s1.studyres.com/store/data/006728268_1-5aa3fd1c498fab420574702fa8076d3a-300x300.png)
Consider the diamagnetic complex, [Os(NH3)5(CO)]
... [Os(NH3)6]3+/2+. Briefly explain these results in terms of the natures of the bonding of the CO and NH3 ligands to metal ions. The redox potentials are for the reduction processes: [Os(NH3)5(CO)]3+ + e- Æ [Os(NH3)5(CO)]2+ [Os(NH3)6]3+ + e- Æ [Os(NH3)6]2+ As described in above in part (ii), the Os-CO ...
... [Os(NH3)6]3+/2+. Briefly explain these results in terms of the natures of the bonding of the CO and NH3 ligands to metal ions. The redox potentials are for the reduction processes: [Os(NH3)5(CO)]3+ + e- Æ [Os(NH3)5(CO)]2+ [Os(NH3)6]3+ + e- Æ [Os(NH3)6]2+ As described in above in part (ii), the Os-CO ...
Co-enzyme
... • Enzymes are substrate specific – The substrate fits like a key in a lock – When the substrate and enzyme are joined the catalytic action of the enzyme converts the substrate to product • The specificity of an enzyme for a substrate results from the shape of the enzyme –due to a compatible fit ...
... • Enzymes are substrate specific – The substrate fits like a key in a lock – When the substrate and enzyme are joined the catalytic action of the enzyme converts the substrate to product • The specificity of an enzyme for a substrate results from the shape of the enzyme –due to a compatible fit ...
Updated - PeproTech Posters
... level of F-2-6-BP, TIGAR expression leads to increased glucose processing via the pentose phosphate pathway, the major cellular source for NADPH. NADPH plays a key role in maintaining the cellular redox state by regenerating reduced glutathione, which is critical for cellular protection against mito ...
... level of F-2-6-BP, TIGAR expression leads to increased glucose processing via the pentose phosphate pathway, the major cellular source for NADPH. NADPH plays a key role in maintaining the cellular redox state by regenerating reduced glutathione, which is critical for cellular protection against mito ...
Power point
... Am, Cm, and lanthanides were sorbed to a cation exchange resin at pH 2 separation was achieved by adjusting pH and organic complexant Separation of Cm from Am was performed with 0.01 % ethylenediamine-tetramethylphosphonic acid at pH 3.4 in 0.1 M NaNO3 with a separation factor of 1.4 Separation ...
... Am, Cm, and lanthanides were sorbed to a cation exchange resin at pH 2 separation was achieved by adjusting pH and organic complexant Separation of Cm from Am was performed with 0.01 % ethylenediamine-tetramethylphosphonic acid at pH 3.4 in 0.1 M NaNO3 with a separation factor of 1.4 Separation ...
Answers - U of L Class Index
... have the highest charge density would be expected to have the highest enthalpy of lattice formation and therefore the highest melting point. Li2O consists of Li+ and O2-. MgO consists of Mg2+ and O2-. Al2O3 consists of Al3+ and O2-. As such, Al2O3 would be expected to have the highest melting point ...
... have the highest charge density would be expected to have the highest enthalpy of lattice formation and therefore the highest melting point. Li2O consists of Li+ and O2-. MgO consists of Mg2+ and O2-. Al2O3 consists of Al3+ and O2-. As such, Al2O3 would be expected to have the highest melting point ...
Learning Objectives
... What does it mean if we say that some amino acids are “essential”? Which amino acid is not chiral? (What does it mean if something is chiral?) Which isomer is found in biological proteins? What is a zwitterion? Which form of amino acids exist at low pH? At neutral pH? At high pH? You should be able ...
... What does it mean if we say that some amino acids are “essential”? Which amino acid is not chiral? (What does it mean if something is chiral?) Which isomer is found in biological proteins? What is a zwitterion? Which form of amino acids exist at low pH? At neutral pH? At high pH? You should be able ...
Solution of the 1st Major Exam, Term 061, Version 000, all correct
... Balance the following equation using the smallest set of whole numbers, then add together all the coefficients: SF4 + H2O H2SO3 + HF. The sum of the coefficients is A) 9 ...
... Balance the following equation using the smallest set of whole numbers, then add together all the coefficients: SF4 + H2O H2SO3 + HF. The sum of the coefficients is A) 9 ...
Enzymological basis of nitrogen fixation
... molybdenum iron (MoFe-) protein that have the so-far unique biochemical ability to catalyze the reduction of dinitrogen to ammonia. The MoFe-protein contains the active site for substrate reduction, and is organized as an α2β2 tetramer (where the α and β subunits are homologous) of molecular weight ...
... molybdenum iron (MoFe-) protein that have the so-far unique biochemical ability to catalyze the reduction of dinitrogen to ammonia. The MoFe-protein contains the active site for substrate reduction, and is organized as an α2β2 tetramer (where the α and β subunits are homologous) of molecular weight ...
A1984SR69800002
... the formation of cyanate followed by its rapid conversion to imino carbonate. The final coupling products were thought to be gels containing mixtures of imino carbonic acid esters, carbonic acid esters, and carbamate substituents, and, somewhat later, isourea linkages were also considered. Evidence ...
... the formation of cyanate followed by its rapid conversion to imino carbonate. The final coupling products were thought to be gels containing mixtures of imino carbonic acid esters, carbonic acid esters, and carbamate substituents, and, somewhat later, isourea linkages were also considered. Evidence ...
Metalloprotein
Metalloprotein is a generic term for a protein that contains a metal ion cofactor. A large number of all proteins are part of this category.