Ketohexoses commonly exist in living systems in either the straight chain or ring (furanose) forms. O True False
Q: When studying the mechanism of the enzymatic reaction, functional groups were found that ensure the…
A: Biochemical reactions tend to be slow because biomolecules are stable at biological pH and…
Q: Identify the enzyme. catalyzes REDOX reactions catalyzes structural rearrangement of molecules…
A: Enzymes are biocatalysts which increase the rate of biochemical reactions. Enzymes are classified…
Q: A buildup in the levels of acety-CoA would result in the inhibition of what reaction in…
A: Fatty acid β-oxidation is the process of breaking down a long-chain acyl-CoA molecule to acetyl-CoA.…
Q: Why is the binding of oxygen to hemoglobin cooperative while the binding of oxygen to myoglobin is…
A: Hemoglobin has 4 subunits, 2 alpha subunits, and 2 beta subunits. These 4 subunits collectively make…
Q: Beta-blockers are used to treat cardiovascular disorders because they are antagonists at…
A: Beta blockers are used as medications that reduce blood pressure. These compounds can prevent…
Q: Citrate synthase is inhibited by: NAD+ ADP NADH oxleoacetate All of the above None of the above
A: Explanation Glycolysis is a process by which glucose breaks into pyruvate and gives energy in the…
Q: c) 1.0 1.2 Estimate Vmax and KM for all cases. What type inhibitor is [I]? Estimate K₁ and/or Kı'…
A: Enzymes are usually comprise of protein molecules which is used to catalyzed several biochemical…
Q: Determine the direction that each of the reactions will progress. Assume that the reactants and…
A: Since conditions inside the cell are different than standard temperature and pressure, biochemists…
Q: Give an overview of Tumor necrosis factor (TNF) signaling, and discuss the nature of the TNF ligand…
A: TNF signaling is an apoptotic signaling pathway that causes programmed cell death due to external…
Q: Below is a picture of beta sheets connected by crossovers. Describe what is unique about this…
A: The protein structure is organized into several levels of protein structures: the primary,…
Q: The naturally occurring opioid met-enkephalin is a peptide with the structure Tyr- Gly-Gly-Phe-Met.…
A: Amino acids are zwitterions having both positive and negative charges at neutral pH. The net charge…
Q: The reaction catalyzed by citrate syn- thase, shown on the right, is the first step of the TCA…
A: In glycolysis, a 6-carbon molecule of glucose-6-phosphate is broken down into 3-carbon pyruvate. It…
Q: The active site of an enzyme that uses a general acid-base catalytic mechanism contains a Glu and an…
A: In simple terms, pH indicates whether a substance is acid or base. pKa determine how strong is an…
Q: The pentose phosphate pathway occurs in the mitochondrion of tissues actively engaged in synthesis…
A: Introduction: The pentose pathway is also known as the hexose monophosphate shunt (HMP) or…
Q: The following triacylglycerols (Tag) contain different percentages of unsaturated fatty acids. What…
A: Simple fats or Triglycerides or triacylglycerides are categorized as storage lipids. Triglycerides…
Q: Which of the following B vitamins is used in the conversion of pyruvate to oxaloacetate? Biotin…
A: Different forms of Vitamin B act as cofactors in many enzyme catalyzed steps. Conversion of…
Q: Why is cholesterol an important steroid?
A: Steroids are the compounds that consist of three cyclohexane rings and a cyclo pentane ring in…
Q: Phosphorylases and phosphatases catalyze the same reaction, the removal of a phosphate group. True…
A: Enzymes are usually protein molecules which catalyzes several biochemical reactions by decreasing…
Q: DETAILS 09 Select all of the following half reactions that require energy (work) to proceed as…
A: The reactions that require energy to proceed are called endergonic reactions. The half reactions are…
Q: Identify what is asked Glycerol --> Glycogen Pyruvate --> Glucose Acetyl CoA --> Fats Fats-> Acetyl…
A: Metabolism is the total of all chemical transformation that takes place in a living cell. One…
Q: From a kinetics experiment, Kcat was determined to be 55sec^-1. For the kinetic assay, 0.05mL of a…
A: The concentration of enzyme stock solution was 0.05mg/ml. i.e. 1ml contain 0.05mg of enzyme. We took…
Q: A sample of yeast extract has been analyzed of its invertase activity. The effect of temperature on…
A: Invertase is the enzyme that catalyze the hydrolysis of sucrose in fructose and glucose. Sucrose is…
Q: describe the principles behind x-ray diffraction and show how this importnat technique can be used…
A: Proteins are high molecular-weight biomolecules. They are polymers of amino acid residues linked via…
Q: Biochemistry Plz answer these 2 question 1. How to differentiate between beta-amylase from alpha…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Angiotensin Converting Enzyme (ACE) is the target of ACE inhibitors such as captopril that are used…
A: Peptides are composed of twenty standard amino acids. These twenty standard amino acids differ from…
Q: 3. Pyrozole has been proposed as a possible nontoxic inhibitor of LADH-catalyzed ethanol oxidation.…
A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…
Q: Which functional groups are present in digitoxin? a. To what lipid family does the complex ring…
A: Lipids are a chemically diverse group that have two things in common: low solubility in water and…
Q: Why doesn't the net reaction for the citric acid cycle have intermediates (citrate, isocitrate,…
A: Citric acid cycle is an amphibolic pathway that completely oxidizes the acetyl CoA obtained through…
Q: Which reaction below in the glycolytic pathway has a highly unfavorable delta Gº¹ but a favorable…
A: Free energy changes: The Gibbs free energy is used to calculate the maximum amount of work that a…
Q: Pro-CHEMBIO peptide is a large peptide sequence with three disulfide bonds (indicated by the lines…
A: Proteases are enzymes that cleave internal peptide bonds specifically. The cleavage of peptide bonds…
Q: 1. Draw the open-chain form for each of the following monosaccharides. CH OH HO OH HOCH₂ он HO 0. он…
A: Monosaccharides are represented in two forms-the cyclic form and the open form. The open form is…
Q: The ff: table showed data of enzyme catalytic reaction. The rate of reaction (v) decreased with the…
A: For a one-substrate enzyme-catalyzed reaction, the Michaelis-Menton equation shows the quantitative…
Q: 8. Features of anaerobic oxidation of glucose in erythrocytes. Pyruvate kinase, its biological…
A: Anaerobic oxidation (or Glycolysis): Anaerobic glycolysis is the conversion of glucose to lactate…
Q: what are correct about enzyme kinetic parameters
A: Enzymes are high molecular-weight proteins that catalyse biochemical reactions. They contain an…
Q: The Michaelis-Menten equation models the hyperbolic relationship between [S] and the initial…
A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation…
Q: If glucose labeled with 14C in C-1 is metabolized to ethanol and CO2 via fermentation, which carbon…
A: Pyruvate is the end product of glycolysis. Under anaerobic conditions it can have two possible…
Q: 1) A ligand-binding protein showing negative homotropic cooperativity? a) should give an nH value…
A: Cooperativity or cooperative binding occurs when binding of one molecule influences the affinity of…
Q: The structure of purine is shown. 2 N-1 N-3 N-7 N-9 6 5 N 4 3 7 N -N9 ZI 8 Which atoms of the purine…
A: Purines: The two groups of nitrogenous bases, which also include the two groups of nucleotide…
Q: Which of the following first messengers is hydrophobic and binds to a nuclear receptor protein…
A: The first messengers are extracellular biomolecules that bind to the cellular receptor and elicit a…
Q: Which of the following allow for the transport of protons into the mitochondrial matrix? a) Pyruvate…
A: Transmembrane proteins are a class of proteins that pass the entire length of the lipid bilayer.…
Q: 60. During a study of thyroid hormone function, an experimental line of mice is genetically…
A: the thyroid gland malfunctions and doesn't produce enough thyroid hormones: thyroxine and…
Q: The structure given below represents what molecule?
A: Cellular respiration is the process how biochemical energy is generated from food. It involves the…
Q: Using proper convention, provide the amino acid sequence for the following protein. O H₂N-CH- CH₂…
A: Proteins are large molecules made up of amino acid residues linked via a peptide bond. Amino Acids…
Q: What test tube will show positive starch hydrolysis and negative starch hydrolysis?
A: Starch is the most common carbohydrates (polysaccharides) which is a polymer of several glucose…
Q: Yield of ATP in complete oxidation of stearic acid including payback of transport costs using…
A: Fatty acids are carboxylic acids with a hydrocarbon chain ranging from 4 carbon to 36 carbons.…
Q: Perform a pyruvate dehydrogenase reaction and a single turn of the citric acid cycle using an…
A: Oxidation of carbohydrate (Glucose) provides energy in the form of ATP. The complete oxidation of…
Q: A. Draw the chemical repeat unit of corn starch. B. What type of material is the corn starch/water…
A: Cornstarch consists of amylose and amylopectin. Both are polymers of glucose, but have different…
Q: 5. Which of the following statements is/are correct regarding allosteric regulation? a) Allosteric…
A: Allosteric enzymes increase or decrease the reaction based on response to the regulatory molecule…
Q: 4. Shown below is the structure of the anti-retroviral drug AZT. 5' HOCH, H 3 N₂ HN AZT H 12 H CH₂…
A: AZT is a drug that is used to treat HIV. HIV is a retro virus that causes the syndrome AIDS. When…
Q: NA beig sis is a compicated pro cids. Complete the DNA-to-amino acid table for three consecutive…
A: Introduction DNA is a self replicating molecule. mRNA is produced from DNA by a process called…
Step by step
Solved in 2 steps
- Which of the structures below is that of о-в-D-glucopyranosyl-(1->4)- a-D-glucoругanose CH2OH CH2OH H. OH он H Он OH OH CH2OH HOH2Ć OH он CH2OH CH2OH OH H он H он он CH2OH CH2 OH H OH он OH None of the other structures are correct.Glycosaminoglycans have the following characteristics except— Each disaccharide unit contains a N-acetylmuramic acid. Each disaccharide unit contains an N-acetyl-hexosamine. They consist of disaccharide units. Either or both monosaccharide in the disaccharide unit may be sulfated. They often carry high density of negative charge.The scientific name of the fructose molecule shown below is CH2OH OH O HO OH CH₂OH Ox-D-Fructopyranose OB-D-Fructofuranose Ox-D-Fructofuranose OB-D-Fructopyranose
- Which of the following best describes the molecule below? . CHOH H H CH OH H OH OH CH OH OH H. OH B -D-galactopyranosyl-(104)-D-glucopyranose a -D-glucopyranosyl-(102)-D-fructofuranoside a -D-glucopyranosyl-(102)-D-glucofuranoside B -D-galactopyranosyl-(104)-D-fructopyranoseClassify the monosaccharides. H H-C- -OH H-C- -OH H- CH₂OH D-erythrose H- CH₂OH FO -OH H. CH₂OH D-erythrulose H- -OH -OH H-C OH CH₂OH H- D-ribose CH₂OH OH H-C OH CH₂OH D-ribulose H H-C- CH₂OH D-glyceraldehyde -OH HO- -C- H- CH₂OH FO -H -C- -OH H-C OH CH₂OH D-fructose CH₂OH C=O CH₂OH Dihydroxyacetone triose Answer Bank ketose hexose aldose tetrose pentoseIn lactose intolerance, the person lacks the enzyme that digest: O B 1-3 glycosidic bond O a 1-6 glycosidic bond O B 1-4 glycosidic bond a 1-3 glycosidic bond
- Name these sacharides from left to right. Choices: Aldopentose Aldotetrose Ketopentose Ketotetrose Aldotriose Aldohexose KetohexoseHuman ABO blood group is an example of options: Ceramide Gangliosides Oligosaccharide GlycosphingolipidsThe disaccharide shown is composed of two units of D-glucose joined with a β (1->6) linkage and is incorporated into the chemical structure of crocin, the chemical compound that gives saffron its color True False
- Disaccharides are joined by glycosidic bonds formed between the anomeric carbon on one monosaccharide and a hydroxyl (-OH) group of another monosaccharide. Identify the types of linkages in each of the three disaccharides. Only place three of the linkages. НО. CH₂OH CH₂OH CH₂OH HO OH OH OH OH OH CH₂OH HO. НО OH OH 0 OH B12 al OH 4 OH 0 О CH₂OH Answer Bank al + B2 OH al + al OH B14 OH о OH OHDisaccharides are joined by glycosidic bonds formed between the anomeric carbon on one monosaccharide and a hydroxyl (-OH) group of another monosaccharide. Identify the types of linkages in each of the three disaccharides. Only place three of the linkages. но. CH₂OH CH₂OH CH₂OH OH OH OH OH OH CH₂OH HO НО. НО OH OH 0 OH B1 - 4 B1 OH ·2 OH О CH₂OH Answer Bank al - 4 OH al + al OH al + B2 OH OH OHWhat is the correct systematic name for the disaccharide below? Question 6 options: a O-β-D-glucopyranosyl-(1-->2)-α-D-glucopyranose b O-β-D-glucopyranosyl-(1-->4)-β-D-glucopyranose c O-α-D-glucopyranosyl-(1--> 2)-α-D-glucopyranose d O-β-D-glucofuranosyl-(1--> 4)-β-D-glucofuranose