In human beings, what is the major control of de novo pyrimidine nucleotide synthesis? A. substrate availability B. competitive inhibition of carbamoyl phosphate synthetase II C. feedback inhibition of glutamine-PRPP amidotransferase D. vailability of N-acetyl glutamate
Q: BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : The coenzyme biocytin is…
A: A coenzyme is a non-protein chemical molecule that forms a bond with an enzyme to catalyse a…
Q: - Which reaction is divergent? Why?
A: Metabolic pathways or reactions are very important as they help in maintaining the life of organism…
Q: Give 10 examples of enzymes and give their natural source
A: Enzymes are proteins that act as biological catalysts and help speed up metabolism, or the…
Q: Using the genetic code, indicate which polypeptides would be synthesized if poly-UGG were used in a…
A: Polypeptides are the linera chain of Amino acids Synthesised according to the codons on mRNA.…
Q: Identify the name of the amino acid and its group (aliphatic, aromatic, acidic, basic, hydroxylic,…
A: 1. The 1st aminoacid is Proline. Proline; Neutral nonpolar; Non-essential Explanation: Proline…
Q: - Take note Of the imporfant functions of proteins Give an example of cach. 2. Describe in no more…
A: The four levels of structural organization of proteins are primary, secondary, tertiary and…
Q: How would you dilute 0.1 M boric acid in 1:10 ratio to 0.01M?
A: Given Values: Initial Conc. of boric acid = 0.1 M Final Conc. of boric acid = 0.01 M Dilution = 110…
Q: Four metabolites (C, J, M, X, and Z) are known to be in a pathway that ultimately produces J. An…
A: A metabolic pathway involves the breakdown and synthesis of different substances. And the synthesis…
Q: Which of the following is TRUE about the concept of chromoproteins? Myoglobin is mostly concentrated…
A: Introduction: Chromoproteins are proteins with colored prosthetic groups. For example, cytochrome…
Q: A partial amino acid sequence from the tick anti-coagulant protein is:…
A: The genetic code is a set of three-letter combinations of nucleotides called codons that corresponds…
Q: hat your connections should: • be meaningful; • be well-organized and easy-to-follow; • show your…
A: Proteins are biological macromolecules that perform both structural and functional roles in the…
Q: lomolecular laboratory, identify reaction that you ave certainly observed with the enzyme Lyase. ·…
A: The substrate binds to the enzyme's active site and is converted to the product. Enzymes alter…
Q: DNA ladder 1 DNA ladder 2 bp ng/Sul 10000 8000 40 40 6000 3000 40 4000 40 700 600 3000 40 500 -2000…
A: Agarose gel electrophoresis is used to separate DNA molecules.
Q: which of the following is not correct about peptide bonding? A- It occupies a single plane B- It…
A: Peptides are composed of twenty standard amino acids. These twenty standard amino acids differ from…
Q: The patient had been vomiting for several minutes, he threw up almost all his gastric content. What…
A: The present condition is observed by vomiting by the patient. The vomiting could be due to stomach…
Q: What are two different ways that cytochrome oxidase contributes to the proton gradient?
A: Glucose is broken down into pyruvate and pyruvate is used to produce acetyl CoA that enters TCA…
Q: What diseases are caused by enterobacter aerogenes? Is Enterobacter aerogenes Gram negative or…
A: Introduction: Enterobacter is considered an opportunistic pathogen. It is found in soil, water,…
Q: Discusskey impairments that are characteristic in the altered glucose metabolism of people with Type…
A: This is a condition where the body produces insulin , but the insulin response system is crippled.…
Q: Loss of muscle tone is associated with which deficiency? O All deficiencies mentioned O None of the…
A: Loss of muscle tone means decreased muscle activity or less muscle activity. Loss of muscle tone is…
Q: You obtained the following raw data when setting up a Bradford standard curve: BSA (mg/ml)…
A: Proteins are composed of twenty standard amino acids that differ from each other in their side-chain…
Q: 1. What is metabolism? 2. What are the two types of metabolism? 3. Which metabolic reaction requires…
A: Answer 6- CATABOLISM
Q: Starch and glycogen are both composed of glucose monomers. What is/are the differences between the…
A: Starch and glycogen both are polysaccharides and are made up of glucose monomer, general Function of…
Q: 1. Enzymes have known attributes and functions. Which of the following is NOT its common attribute…
A: Enzymes are proteinaceous in nature, these are biological substances that are responsible for…
Q: dentify any five junk foods you have taken from the last weekwhat lind of good foods can be the…
A: Introduction: A healthy diet is one that helps us to maintain or improve our health. It is necessary…
Q: n this step, wash the cells with ice-cold PBS. Drain the PBS, then add ice-cold lysis buffer.…
A: The question you have asked lacks some background information about what you are trying to do, But…
Q: A sample was placed on a chromatography column. Dichloromethane was used as the eluting solvent. All…
A: Column chromatography is a technique that allows chemists to separate substances based on their…
Q: For each genotype below, indicate whether it is heterozygous or homozygous. Write PAUL if its…
A: A particular sequence of nucleotides that encodes a product (RNA or protein) is referred to as a…
Q: dentification tests for Volatile Oils Organoleptic Evaluation. Determine the color, appearance, and…
A: The oils that have been characterized as volatile in nature and do not saponify are the "volatile…
Q: Compound X is an inhibitor in respiratory electron transfer. It binds to the Fe3+ of Complex IV…
A: Complex IV is the terminal electron acceptor in the electron transport chain (ETC). ETC is an…
Q: Discuss one biologically active peptide. How important is it in biochemical processes?
A: Bioactive peptides are inferred from food proteins and have a significant impact on human health due…
Q: Which of the following is correct regarding the relationships of intermediates in Lipogenesis and…
A: The citric acid cycle (TCA cycle ) is the central metabolic cyclic pathway in aerobic cellular…
Q: Read each pair of sentences and then choose the letter of the correct answer. Your answer must be in…
A: ATP synthase, also called FoF1ATPase, is a constituent of the process of respiratory chain and…
Q: Which of the following best describes the chemical composition of lipids? a. It is composed mostly…
A: Answers for the following are :
Q: If there are three genes and you want to determine the distance between these genes, what are you…
A: Recombination frequency is used as a quantitative measure of the distance between two genes in a…
Q: If you were to design a synthetic protein that would be used to increase support in synthetic heart…
A: It would be fibrous because they help in maintaining the shape of cell by providing scaffolding and…
Q: What four major classes of eicosanoids are derived from arachidonate, and what are representative…
A: Introduction: Eicosanoids are the metabolites of arachidonic acid derived from the action of the…
Q: Researchers isolated a yeast phosphofructokinase (PFK) mutant in which a serine at the…
A: The enzyme phosphofructokinase converts fructose-6-phosphate into fructose-1,6-bisphosphate. This is…
Q: you add &ml of baderial Suspensfon ath Concentration water 2x1d cellolmi to13 ml what is the new…
A: A serial dilution of a bacterial culture is the stepwise dilution of the culture in which the…
Q: Name the 20 amino acids; identify which are essential amino acids and explain what makes them…
A: Amino acids are molecules which combine to form proteins, and are building blocks of life.
Q: 2) When a certain freon used in refrigeration was expanded adiabatically from an initial pressure of…
A: Joule Thomson coefficient is also called as Kelvin-Joule effect. It is the change in temperature…
Q: 5. Indicate which one of the following statements is not correct: a. Drugs that are taken up into…
A: Drugs can be administered into the body via various sites; Orally, sublingual, intravenous, rectal,…
Q: plant foods often contain oxalates and phytates. what effects do these have on minerals that are…
A: Phytates and oxalates are present in plant foods. Phytates are other wise called anti nutrients…
Q: 5. A young woman decided to lose weight and abstained from fat-containing food for several months.…
A: The energy demands of the cells are primarily met by the metabolism of glucose molecules. But, the…
Q: If 12 molecules of glucose enter the glycolytic pathway, how many ATP molecules can be generated in…
A: The electron transport chain has a tendency to create an electrochemical gradient, which causes the…
Q: Show the complete reaction mechanism for the deamination of alanine until the amino group is…
A: The deamination of the alanine amino acid takes place with the help of the transaminase enzyme to…
Q: 39. Enzyme involved in the pathway of ethanol fermentation is _____. Select one: a. pyruvate kinase…
A: The glucose molecules are metabolized through the glycolytic pathway to synthesize energy. And…
Q: hoose a specific drug name (NOT A DRUG CLASS) under CELL WALL SYNTHESIS INHIBITORS, and DRAW the…
A: Answer for the following question are :
Q: Read each pair of sentences and then CH in UPPERCASE. A. Both statements are true. B. The first…
A: Gibbs free energy is indicated by G and change in Gibbs free energy is denoted by ∆G. It tells…
Q: If a phage is undergoing lytic growth, which protein is bound to the operator region? O Both Lambda…
A: Phages are the vruses that infect Bacteria. They have been widely studied for the aspects like gene…
Step by step
Solved in 2 steps
- BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : In patients with Lesch Nyhan Syndrome, purine nucleotides are overproduced and over excreted. The hypoxanthine analogue Allopurinol, which effectively treats gout , has no effect on the severe neurological symptoms of Lesch- Nyhan patients because it does not? A. decrease de novo pyrimidine synthesis B. decrease de novo purine synthesis C. decrease urate synthesis D. increase PRPP levels (Phosphoribosyl pyrophosphate)BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Major controls of de novo AMP synthesis include: 1. allosteric inhibition by GMP. 2. allosteric inhibition by AMP. 3. availability of PRPP. 4. stimulation by GTP A. 1, 2, and 3 B. 1, 2, 3, and 4 C. 2 and 4 D. 1 and 3BIOMOLECULES - Please answer the questions properly. - Multiple choice Qyestion 1 : If a cell has an adequate supply of adenine nucleotides but requires more guanine nucleotides for protein synthesis: 1. Glutamine-PRPP amidotransferase will not be fully inhibited. 2. AMP will be a feedback inhibitor of the condensation of IMP with aspartate. 3. ATP will stimulate the production of GMP from IMP. 4. ATP will inhibit nucleoside diphosphate reductase. A. 1, 2, and 3 B. 2 and 4 C. 1, 2, 3, and 4 D. 1 and 3
- BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Chymotrypsin is a digestive enzyme that breaks down proteins. From the following attributes, which one does not characterize chymotrypsin? A. A thiol nucleophile B. Performs proteolysis C. A tetrahedral intermediate D. A catalytic triad of serine, histidine, and aspartate 2. Evaluate the secondary structure of proteins. Which of the following differentiates alpha structures to those beta structures? ? A. alpha structures are helices and beta structures are pleated sheets B. alpha structures are primary and beta structures are secondary C. alpha structures are parallel and beta structures are antiparallel D. alpha structures are L and beta structures are DQuestion:- Explain why withholding galactose from the diet of galactosaemia patients has no effects on their synthesis of glycoprotein.VI - BIOMOLECULES Instructions : - Answer the question properly. - Please do not copy here in Bartleby - Explain why did you choose that answer in 3-5 sentences. QUESTION : 1. Which of the following enzyme is responsible for the regulation of biological nitrogen fixation? A. Dinitrogenase reductase B. Dinitrogenase oxidase C. Phosphatase D. Kinase
- BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Analyze the following and identify which one mentions the function of a common eukaryotic ligase? A. Convert pyruvate into acetyl-coenzyme A B. Transfer amino groups from an amino acid to an alpha-keto acid C. Join lagging strands (Okazaki fragments) of DNA during replication D. Catalyze the conversion of glucose-6-phosphate into fructose-6-phosphate 1. The coenzyme biocytin is associated with which of the following vitamins? A. nicotinic acid B. pyridoxine C. thiamine D. biotinBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Which of the following statements is TRUE in the catabolism of cytidine triphosphate (CTP)? A. the nitrogen-containing ring will be oxidized B. nitrogen will be released in the form of ammonia (ammonium ion) C. the final product will have the same type of nitrogen-containing ring as CTP D. hypoxanthine will be an intermediate 1. A 7-year-old boy suffers from mental retardation and self-mutilation and has an increased levels of serum uric acid. These symptoms are characteristic of Lesch Nyhan syndrome, which is due to defective ________? A. Xanthine oxidase B. Denovo synthesis of pyrimidines C. HGPRT (Hypoxanthine Guanine Phospho Ribosyl Transferase) D. Salvage pathway for pyrimidine biosynthesisBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Which of the following functions describes the enzyme Peptidase?* A. removal of H2O B. remove phosphate from a substrate C. cleave phosphodiester bond D. cleave amino bonds 2. In the final step of glycolysis, identify the name of the enzyme that converts phosphoenolpyruvate into pyruvate* A. hexokinase B. pyruvate kinase C. aldolase D. Phosphofructokinase-1
- BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : 1. Which of the following statements is TRUE in the catabolism of cytidine triphosphate (CTP)? A. the final product will have the same type of nitrogen-containing ring as CTP B. the nitrogen-containing ring will be oxidized C. nitrogen will be released in the form of ammonia (ammonium ion) D. hypoxanthine will be an intermediate 2. Which of the following biomolecules is a lipid? A. all of the above B. triglycerides C. steroids D. fatty acidsBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Enzymes have known attributes and functions. Which of the following is NOT its common attribute or function? A. enzymes are specific B. enzymes may be used many times for a specific reaction C. enzymes provide activation energy for reactions D. enzyme activity can be regulated 2. Evaluate the following statements and identify the best that can describe how a lysozyme works.? A. It cuts the bond in a polysaccharide, by holding six sugars in a row in its active site, and adding a water molecule, causing hydrolysis. B. It is responsible for the cleaving of amino acid chains via the ping-pong mechanism. C. It cleaves the phosphodiester bond in nucleic acids, via hydrolysis. D. It hydrolyzes bonds in lipids, causing a split in a fatty acid chain.Question:- Based on the figure below, predict what peptide bond could be the substrate of each protease(The bond marked in blue is where hydrolysis occurs, choose 2 peptides per protease type) Chymotrypsin:_________ Trypsin:_________ Elastase:_________ 1. SR−SG 2. SF−SG 3. SK−SG 4. SA−SG 5. SV−SG 6. SM−SG