Practice problems
... which occurs at the anode. The I– ions are the source of electrons, and the Cr2O72– ions accept the electrons. Hence, the electrons flow through the external circuit from the electrode immersed in the KI solution (the anode) to the electrode immersed in the K2Cr2O7 – H2SO4 solution (the cathode). Th ...
... which occurs at the anode. The I– ions are the source of electrons, and the Cr2O72– ions accept the electrons. Hence, the electrons flow through the external circuit from the electrode immersed in the KI solution (the anode) to the electrode immersed in the K2Cr2O7 – H2SO4 solution (the cathode). Th ...
Microbial heavy-metal resistance
... immediately bind another two glutathione molecules, heavy-metal cations cause a considerable oxidative stress. Finally, heavy-metal oxyanions interfere with the metabolism of the structurally related non-metal (chromate with sulfate, arsenate with phosphate) and reduction of the heavy-metal oxyanion ...
... immediately bind another two glutathione molecules, heavy-metal cations cause a considerable oxidative stress. Finally, heavy-metal oxyanions interfere with the metabolism of the structurally related non-metal (chromate with sulfate, arsenate with phosphate) and reduction of the heavy-metal oxyanion ...
Minimalist Active-Site Redesign: Teaching Old Enzymes New Tricks
... few amino acid residues compose a substrate-binding pocket. These precisely positioned residues promote catalysis by providing reactive groups, such as nucleophiles or acids/bases, and by setting the right microenvironment (hydrophobicity, charge complementarity, or hydrogen-bond donors and acceptor ...
... few amino acid residues compose a substrate-binding pocket. These precisely positioned residues promote catalysis by providing reactive groups, such as nucleophiles or acids/bases, and by setting the right microenvironment (hydrophobicity, charge complementarity, or hydrogen-bond donors and acceptor ...
View PDF - Oriental Journal of Chemistry
... range of biological activity including antibacterial, antifungal properties12,13. Metal complexes of ligands containing sulfur as donor atoms are known to possess antifungal and antibacterial activities9. Thiourea and its derivatives coordinate to several transition metal ions to form stable complex ...
... range of biological activity including antibacterial, antifungal properties12,13. Metal complexes of ligands containing sulfur as donor atoms are known to possess antifungal and antibacterial activities9. Thiourea and its derivatives coordinate to several transition metal ions to form stable complex ...
МИНИСТЕРСТВО ОБРАЗОВАНИЯ И НАУКИ
... know: -classification, structure, biological role and metabolic pathways of main biomolecules included in the animal and plant cells, methods for storing and transmitting genetic information, the principles of energy transformation in biological systems, the main methods for the synthesis of biologi ...
... know: -classification, structure, biological role and metabolic pathways of main biomolecules included in the animal and plant cells, methods for storing and transmitting genetic information, the principles of energy transformation in biological systems, the main methods for the synthesis of biologi ...
Alignment scoring statistics and scoring matrices
... – PAM1 means average of 1% change over all amino acids – 1 PAM = 10my evolutionary distance ...
... – PAM1 means average of 1% change over all amino acids – 1 PAM = 10my evolutionary distance ...
Document
... It contains five of the vitamins that we talked about on Friday- these are all used to get pyruvate admitted to the TCA cycle. Slide 5 Pyruvate is decarboxylated and is done by thiamin pyrophosphate (TPP). TPP for a while carries the acetyl group TPP is the cofactor in the enzymes which does t ...
... It contains five of the vitamins that we talked about on Friday- these are all used to get pyruvate admitted to the TCA cycle. Slide 5 Pyruvate is decarboxylated and is done by thiamin pyrophosphate (TPP). TPP for a while carries the acetyl group TPP is the cofactor in the enzymes which does t ...
Chapter 1 Structure and Bonding
... Most alkali metal and NH4+ salts are soluble Most Cl-, Br-, and I- salts are soluble (except: Ag+, Pb2+, and Hg22+) Most SO42- salts are soluble (except Ba2+, Pb2+, Hg22+, and Ca2+) Most OH- salts are insoluble (except NaOH, KOH) Most S2-, CO32-, CrO42-, and PO43- salts are insoluble ...
... Most alkali metal and NH4+ salts are soluble Most Cl-, Br-, and I- salts are soluble (except: Ag+, Pb2+, and Hg22+) Most SO42- salts are soluble (except Ba2+, Pb2+, Hg22+, and Ca2+) Most OH- salts are insoluble (except NaOH, KOH) Most S2-, CO32-, CrO42-, and PO43- salts are insoluble ...
The Nitrogen Cycle: Processes, Players, and Human Impact | Learn
... nitrogen-fixers that are also photosynthetic since they actually produce oxygen. Over time, nitrogen-fixers have evolved different ways to protect their nitrogenase from oxygen. For example, some cyanobacteria have structures called heterocysts that provide a low-oxygen environment for the enzyme an ...
... nitrogen-fixers that are also photosynthetic since they actually produce oxygen. Over time, nitrogen-fixers have evolved different ways to protect their nitrogenase from oxygen. For example, some cyanobacteria have structures called heterocysts that provide a low-oxygen environment for the enzyme an ...
Lecture 4- LIGANDS
... • The terminal CH2 groups of the allyl are twisted about the C−C vector so as to rotate the anti hydrogens (Ha) away from the metal, and the syn hydrogens (Hs) toward the metal. • This allows the bonding p orbital on these carbons to point more directly toward the metal, thus further improving the M ...
... • The terminal CH2 groups of the allyl are twisted about the C−C vector so as to rotate the anti hydrogens (Ha) away from the metal, and the syn hydrogens (Hs) toward the metal. • This allows the bonding p orbital on these carbons to point more directly toward the metal, thus further improving the M ...
DN A:The Master Molecule of Life
... the nucleus in the substance called chromatin. Before a cell reproduces the chromatin changes into the separate structures seen here that are known as chromosomes. Inside a chromosome the DNA, along with some proteins, is neatly packaged: It is twisted and folded over and over again. Something like ...
... the nucleus in the substance called chromatin. Before a cell reproduces the chromatin changes into the separate structures seen here that are known as chromosomes. Inside a chromosome the DNA, along with some proteins, is neatly packaged: It is twisted and folded over and over again. Something like ...
Lecture 27
... Glu synthesized by Glutamate synthase. Occurs only in microorganisms, plants, and lower animals. Converts -ketoglutarate and ammonia from glutamine to glutamate. Reductive amination requires electrons from either NADPH or ferredoxin (organism dependent). NADPH-dependent glutamine synthase from Azos ...
... Glu synthesized by Glutamate synthase. Occurs only in microorganisms, plants, and lower animals. Converts -ketoglutarate and ammonia from glutamine to glutamate. Reductive amination requires electrons from either NADPH or ferredoxin (organism dependent). NADPH-dependent glutamine synthase from Azos ...
Intact PTH
... PTH is secreted by the parathyroid gland in response to a decrease in serum ionised calcium concentration. PTH acts to increase serum calcium and decrease phosphate and bicarbonate. Although PTH increases the tubular reabsorption of calcium in the kidneys, its action on bone mobilises calcium into t ...
... PTH is secreted by the parathyroid gland in response to a decrease in serum ionised calcium concentration. PTH acts to increase serum calcium and decrease phosphate and bicarbonate. Although PTH increases the tubular reabsorption of calcium in the kidneys, its action on bone mobilises calcium into t ...
PDF - Bentham Open
... and thawing are common processes in nature and 80% of the earth’s surface is cold [1]. Bacteria in environments which experience seasonal temperature fluctuations are expected to be adapted to repetitive freeze-thaw cycles. On the other hand, bacteria in stable subfreezing environments are expected ...
... and thawing are common processes in nature and 80% of the earth’s surface is cold [1]. Bacteria in environments which experience seasonal temperature fluctuations are expected to be adapted to repetitive freeze-thaw cycles. On the other hand, bacteria in stable subfreezing environments are expected ...
Introduction - Cedar Crest College
... Visible light is part of the electromagnetic radiation spectrum. It comes in discrete packets called photons. Light also behaves as if it were a wave. The amount of energy contained in a single photon is inversely proportional to its wavelength. Two things are required for photons to be active in a ...
... Visible light is part of the electromagnetic radiation spectrum. It comes in discrete packets called photons. Light also behaves as if it were a wave. The amount of energy contained in a single photon is inversely proportional to its wavelength. Two things are required for photons to be active in a ...
Unit 2 Summary - A
... the hydrolysis of bromoethane: C2H5Br + NaOH C2H5OH + NaBr the fermentation of glucose: C6H12O6 2C2H5OH + 2CO2 the hydration of ethane: C2H4 + H2O C2H5OH (o) describe the benefits of developing chemical processes with a high atom economy in terms of fewer waste materials; Why is it an advantag ...
... the hydrolysis of bromoethane: C2H5Br + NaOH C2H5OH + NaBr the fermentation of glucose: C6H12O6 2C2H5OH + 2CO2 the hydration of ethane: C2H4 + H2O C2H5OH (o) describe the benefits of developing chemical processes with a high atom economy in terms of fewer waste materials; Why is it an advantag ...
Chapter 2 Matter and Components F11 110pt
... 1. Some compounds have been known and used for so long that their trivial (or common names) have become accepted by the IUPAC as official: ...
... 1. Some compounds have been known and used for so long that their trivial (or common names) have become accepted by the IUPAC as official: ...
Review session for exam-I
... to pyruvate in the glycolytic pathway, ___ molecules of ATP are used initially (Phase I) and ____ molecules of ATP are produced (Phase II) for an overall yield of ___ molecules of ATP/glucose. The "ATP math" is: ...
... to pyruvate in the glycolytic pathway, ___ molecules of ATP are used initially (Phase I) and ____ molecules of ATP are produced (Phase II) for an overall yield of ___ molecules of ATP/glucose. The "ATP math" is: ...
as a PDF
... trends are shown in Fig. 3. The nearest neighbor gold atoms contribute solely to modification of the spin density on the iron nuclei, as the contribution to the hyperfine field caused by the second gold neighbor B2 is almost equal zero for all accessible gold concentrations. A contribution to the h ...
... trends are shown in Fig. 3. The nearest neighbor gold atoms contribute solely to modification of the spin density on the iron nuclei, as the contribution to the hyperfine field caused by the second gold neighbor B2 is almost equal zero for all accessible gold concentrations. A contribution to the h ...
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.