What is the catalytic triad on chymotrypsin? Detail its importance.
Q: You have purified a recombinant form of the p53 protein from E. coli and determined the A280 to be…
A: Beers law states that the absorbance of a sample depends on the amount of sample present and path…
Q: Which of the following polypeptides CANNOT be phosphorylated? O a. -LIYLIA- O b. O C. O d. O e.…
A: A polypeptide is a chain of amino acid residues linked together via a peptide bond. Amino acids are…
Q: Although as a whole, metabolic pathways are thermodynamically favorable, there’s at least one…
A: The Delta G of a reaction can be calculated as follows. Delta G = Delta G0 + RTln(Q) Where R =…
Q: In TCA cycle, FADH2 is formed in reaction(s) catalyzed by a. Succinyl-CoA synthetase O b. Succinate…
A: In aerobic condition, pyruvate in the presence of pyruvate dehydrogenase complex produces Acetyl…
Q: A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, phosphatidylserine, and…
A: Non-polar molecules do not form a hydrogen bond with water can are thus considered hydrophobic.…
Q: AG" for reaction A B = -10 kJ/mol AG" for reaction BC = -8 kJ/mol AG" for reaction CD = 5 kJ/mol AG"…
A: The standard free energy change (∆G°) of a chemical reaction is the free energy change at the…
Q: Enzymatic Saccharification Saccharomyces cerevisiae/Turbo Yeast Preparation of Fermentation Saba…
A: Saba peels are the banana peels that are often regarded as waste. Turbo yeasts are a special strain…
Q: the acyltransferase I and II are required for: OA) transporting carnitine in the blood. B) inserting…
A: The enzymes carnitine acetyltransferase (CrAT) are a large family of enzymes that play a crucial…
Q: Identify the steps in the glycolytic and citric acid cycle pathways where ATP, GTP, NADH, and FADH2…
A: Introduction Citric acid cycle is also known as tricarboxylic acid (TCA) cycle. It is an important…
Q: Identify the major and minor grooves in the DNA molecule PDB ID 141D. In addition, one end of a…
A: DNA is two strands of polynucleotide linked to each other in an antiparallel direction by hydrogen…
Q: Part A Determine the amino acid sequence of a peptide section of beta-amyloid containing 10 amino…
A: Amino acid sequences are written with N-terminal amino acid on the left and C-terminal amino acid on…
Q: What charge does a protein molecule have? O neutral O positive O negative O The charge depends on…
A: Diffusion and osmosis are 2 processes that depict the movement of substances from higher…
Q: Based solely on the amount of NADPH produced, what is the total number of photons of light that must…
A: In the photosystems, NADPH is produced by a series of reactions starting from absorption of photons.…
Q: c) Explain why the proton Mitchel's proton gradient mechanism is implausible. What is the most…
A: The chemiosmotic theory (some would argue that it is still a hypothesis and not a theory) is well…
Q: Can cytochrome a and a3 be put in complex I whereas cytochrome b and c1 are put in complex III?…
A: The redox potentials tell how an electron can be accepted or donated to a species. As a standard…
Q: The drug below is used in the treatment of: O Rheumatoid arthritis. O Gram(+) bacterial infections.…
A: Heterocyclic ring is a ring structure made up of different atoms. Given to us a heterocyclic…
Q: Examples of second messengers Steroid hormones Prostaglandins and leukotrienes NO and CO…
A:
Q: Which of the following about the splicing in posttranscriptional processing is NOT true? O a. O b. O…
A: As per the central dogma of molecular biology, genetic information is stored in the DNA. The genetic…
Q: In addition to the oxidation of cytochrome c by Comple transport systems, what other reaction is…
A: Introduction The electron transport chain (ETC) is the last part of aerobic respiration. An electron…
Q: How does the salvage pathway of purine nucleotide synthesis differ from the de novo synthesis…
A: Nucleic acids are biomolecules which store and transfer genetic information. Nucleic acids are…
Q: The enzyme that decarboxylates pyruvate before it gets converted to Acetyl CoA is a. Pyruvate…
A: Citric acid cycle is a metabolic pathway that converts carbon atoms to CO2 and, in doing so,…
Q: Consider the two half-reactions below and their standard reduction potentials. NAD+ + H+ + 2e → NADH…
A: Biological oxidation-reduction reactions involve the transfer of electrons from one biomolecule,…
Q: Of the hydrolyzable lipids, which contain ester functional groups? A. Waxes B. Triacylglycerides C.…
A: Lipids are a very important class of biological molecule. Lipids are a broader class of molecule…
Q: Explain how glucose can be created from other molecules under starvation conditions.
A: Animals—including humans—use a complex set of hormonal and metabolic adaptations to help them endure…
Q: The B-oxidation of the saturated 14-carbon fatty acid myristic acid yields the following NET amount…
A: In beta oxidation, large fatty acids that have been transformed into acyl-CoA chains are gradually…
Q: What does an area of clearing indicate in biochemical test?
A: Measuring a nutrient or its metabolite in the blood, faeces, urine, or other tissues that have a…
Q: The following questions refer to the peptide with a sequence of: Asp-Ser-Lys-Asn-Glu a) Would you…
A: Amino acids are biomolecules that have an amino group and a carboxyl group linked to the same carbon…
Q: Wobble hypothesis indicates that: a. fatty acids are degraded 2 carbons at a time. O b.…
A: As per the central dogma of molecular biology, genetic information is stored in the DNA. The genetic…
Q: Can all abnormal hemoglobin be diagnosed by electrophoresis ?Explain why or why not .
A: Electrophoresis means migration of charged particles under the influence of an electric field.…
Q: Age-related macular degeneration (ARMD) within the eye is a disease that is closely related to…
A: Age-related macular degeneration (ARMD) is an ocular disease causing damage to the retinal macula,…
Q: DNA polymerase I functions in DNA replication to: O a. O b. O C. synthesize the RNA primer…
A: The replication process is in which there is synthesis of DNA using DNA strand. There are various…
Q: The ultimate acceptor of electrons in the nadh electron transport chain is a. H+ b. ATP c. O2…
A: Aerobic metabolism of 1 molecule of glucose can produce 10 NADH (6 from acetyl CoA in TCA cycle + 2…
Q: In extracellular proteins the amino acid Cys can interact with another Cys to form a bond sometimes…
A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…
Q: How does one label the DNA-strands that look like this ---------------------- ----------------------…
A: The replication of DNA is semiconservative. DNA strands are polymers or chains of deoxynucleoside…
Q: FRET is a widely used biophysical technique for the characterization of a wide range of biomolecular…
A: FRET is a unique method for measuring the separation between a donor-acceptor pair of chromophores.…
Q: what are the features which set the G protein family of receptors apart?
A: G protein-coupled receptors (GPCRs) are regarded as one of the most extensive families of validated…
Q: 9. In pre-historic earth, where there exist no protein enzyme, ribozymes (ribose enzymes) seems to…
A: The most significant molecules in cell biology are deoxyribonucleic acid (DNA) and ribonucleic acid…
Q: Which of the following is true of signal transduction mediated by protein tyrosine kinases…
A: Signal transduction is the process of transmission of chemical or physical signal intracellularly…
Q: draw an amino acid. Use R for the side chains 2 draw a nucleotide triphosphate with an expanded…
A: The proteins are a major class of biological macromolecule that is constitute of twenty naturally…
Q: Cancer cells need more DNA synthesis but the NADPH/ NADP* ratio is high. Which of the following…
A: In animal tissues, glucose has two possible fates: be oxidised into carbon dioxide and water by…
Q: Which of the following can serve as a source of carbon for gluconeogenesis? O cholesterol O alanine…
A: Gluconeogenesis is the metabolic pathway that produces glucose from non carbohydrate precursors.…
Q: The key regulatory enzymes in glycolysis are: A) hexokinase, phosphofructokinase, and pyruvate…
A: In the anaerobic process of glycolysis, one glucose molecule is transformed into two pyruvate…
Q: Compared to an uncatalyzed reaction, an enzyme-catalyzed reaction ________. A) uses less substrate…
A: Enzyme kinetics is the study of the rates of chemical processes that are catalyzed by enzymes. The…
Q: Identify the hormones that have great contribution to metabolism, determine their function, action…
A: Metabolism is the total of all chemical transformation that takes place in a living cell. One…
Q: Cystic fibrosis is a recessive disease that affects many parts of the body, but primarily presents…
A: The CFTR gene codes for the protein cystic fibrosis transmembrane conductance regulator (CFTR). The…
Q: 1 the overall structure of DNA is double helical and the bases between each strand form watson-…
A: DNA or deoxyribonucleic acid is the fundamental component of all cells. It constitutes the genetic…
Q: Question 25 Proteins synthesized on free ribosomes are transported to which cellular destination? O…
A: As per the central dogma of molecular biology, the genetic information stored in the DNA is copied…
Q: Focusing on the mechanism linking complex I and ATP synthase depicted in figure 3 in the article,…
A: The oxidation of carbohydrates such as glucose generates electrons that are carried to the electron…
Q: true or false: Glutamine PRPP amidotransferase is regulated via product inhibition.
A: Glutamine PRPP amidotransferase is an enzyme that catalyses the reaction of conversion of Phospho…
Q: What shuttle mechanism transfers the electrons from cytosolic NADH into the mitochondria with the…
A: Mitochondrial inner membrane is impermeable to NADH. Hence, for transfer of NADH, it is first…
What is the catalytic triad on chymotrypsin? Detail its importance.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- If phenylalanine was not an essential amino acid, would diet therapy (the elimination of phenylalanine from the diet) for PKU work?Examine the ActiveModel for alcohol dehydrogenase and describe the structure and function of the catalytic zinc center.What would be the characteristics of a transition-state analog for the chymotrypsin reaction?