What is the concentration in ppm of Sulphur in a water supply if there are 0.002mL of Sulphur in each litre (1000mL) of solution?
Q: For protein expression, a different strain of Coli is being employed than the one used for plasmid…
A: Approach to finding a solution to the problem:Microbiological, biochemical, and molecular approaches…
Q: An enzyme is mutated such that the KM of the mutated enzyme is lower than the KM of the original…
A: The objective of the question is to understand the effects of a mutation that lowers the KM of an…
Q: 11. Describe the functions of the following steroid hormones. a. Androgens b. Glucocorticoids c.…
A: The question is asking for a description of the functions of three types of steroid hormones:…
Q: 3. Acetylcholinesterase is a serine hydrolase enzyme im- portant in nerve signal transmission,…
A: Approach to solving the question: Enzyme reactions. Detailed explanation:1. here's an arrow-pushing…
Q: Calculcate Kcat for PNP substrate for both enzyme concentrations. enzyme volume: 20 ul Bovine…
A: To calculate the turnover number (Kcat) for the alkaline phosphatase enzyme using p-Nitrophenyl…
Q: [AktivGrid] Draw the product of the reaction of isocitrate catalyzed by isocitrate dehydrogenase in…
A: Kreb cycleKreb cycle or citric acid cycle or tricarboxylic acid cycle (TCA) is a sequence of…
Q: (Biochemistry topics: Glycolysis, Citric Acid Cycle, and Electron Transport.) There is a reciprocal…
A: In the reciprocal regulation of glycolytic and gluconeogenic reactions, the interconversion of…
Q: List all of the regulatory enzymes from both Glycolysis and Gluconeogenesis, and under each, list…
A: Glycolysis:Hexokinase:(-) Inhibitors: Glucose-6-phosphate (product inhibition)(+) Activators: None…
Q: 2. Match the following molecules with the-corresponding test reagents that are used to identify…
A: Biochemical tests are very important in the field of biology and biochemistry. These tests are used…
Q: With the advent of photosynthesis, the amount of oxygen in the atmosphere has varied over the eons…
A: Approach to solving the question:Detailed explanation:Examples:ANSWER IS 12 ML H20 Key references:…
Q: Calculate the rate enhancement for the enzyme pair: Enzyme 1: Kcat (sec-1)= 5.5 KM (µ M) = 1245…
A: Enzymes are known to enhance (increase) the rate of a reaction, compared to the rate at which the…
Q: Genetics Question 20
A: The objective of this question is to determine the correct order of genes on a chromosome map based…
Q: How is plasmid DNA distinguished from coli chromosomal DNA using the Qiagen Miniprep protocol?
A: In the Qiagen Miniprep protocol, plasmid DNA is distinguished from E. coli chromosomal DNA based on…
Q: Parts of the mechanism for lysozyme are shown below. The catalytic lysozyme residue side chains can…
A: Lysozymes cleave the glycosidic bond between N-acetylmuramic acid (Mur2Ac) and N-acetylglucosamine…
Q: Which of the following processes is dependent on the activity of pentose phosphate shunt?…
A: The pentose phosphate pathway, or the pentose phosphate shunt, plays a crucial role in several…
Q: 12. Consider a protein that can exist in two forms: folded (F) and unfolded (UF). Calculate the free…
A: (i.) ΔGunfolding = 2100.30 J/mol or approximately 2.10 kJ/mol (ii.) ΔGunfolding = -5446.52 J/mol…
Q: 4) Following is the structural formula of lycopene, a deep red compound that is partially…
A: ● Lycopene is a naturally occurring pigment belonging to the carotenoid family which is…
Q: pH of solution 14.00 12.00 10.00 8.00- 6.00 First equivalence 4.00 point 2.00- 0 Second equivalence…
A: The given pH value is 7.5 which lie at the Second Titration.The transition region between the…
Q: Explain the concept of protein folding and its importance in determining protein structure and…
A: The objective of this question is to understand the concept of protein folding and its significance…
Q: With the ninhydrin method, it was determined that an acyclic decapeptide consists of the following…
A: Elastase cleaves the peptide bonds formed by small hydrophobic amino acids, towards the C-terminal…
Q: 4. The interaction of Vitamin D3 with lipid membranes may be studied using different techniques. One…
A: A class of fat-soluble secosteroids is called vitamin D3 .Vitamin D3 is a kind of vitamin D that is…
Q: A partial diploid in E. coli is created so that LacI is no longer expressed from the genome and is…
A: Partial diploid E.coli has both chromosomal DNA (i.e. genome) and plasmid DNA, but all the genes are…
Q: 1) Provide a stepwise, arrow-pushing mechanism for the following transformation. You may use general…
A: The reaction in question involves a lysis reaction catalyzed by a lyase enzyme using the coenzyme…
Q: 48. A 58-year-old woman comes to the office because of a 1-month history of fatigue, fever,…
A: The objective of the question is to identify the cell type that is most likely being directly…
Q: Some enzymes have catalytic activity only limited by diffusion. Which rate constants of an enzyme-…
A: Diffusion is the process by which molecules move from an area of higher concentration to an area of…
Q: The cell above is in a) Meiosis 2 b) Mitosis c) Meiosis 1
A: During anaphase II of meiosis:The sister chromatids, which were held together by cohesin proteins at…
Q: Which of the following statements regarding polynucleotides is true? a) A double stranded DNA forms…
A: The correct answer is: a) A double-stranded DNA forms a right-handed helix, where both strands run…
Q: Q1
A: The objective of this question is to identify and explain three key differences between DNA…
Q: The image below is from what stage a) Metaphase b) Interphase c) Telophase d) Anaphase e) Prophase
A: Cell division typically involves two main stages: mitosis and cytokinesis. Here's a brief overview…
Q: Initiation of prokaryotic transcription is primarily regulated by: Question 1 options: Core…
A: Transcription is the process by which the genetic information is copied from DNA to protein through…
Q: How many more acetyl CoA are generated from stearic acid than from linoleic acid during beta…
A: The objective of this question is to determine the difference in the number of acetyl CoA molecules…
Q: If someone's pH increases above 7.8, they die. How much would the % buffer have to shift from normal…
A: The usual pH range for blood is 7.35 to 7.45. The body's buffering systems, such as the phosphate…
Q: using sample prep aka the protocol use it to fill in the tables
A: Explanation: Lysozyme (mL): The amount of lysozyme diluted and added to each conical tube. The…
Q: List 4 major types of inhibition modes and clearly indicate the effect on Vmax and KM for each mode?
A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: 2. Shown below is a dipeptide. HN- HO. OH a. Over which pH range will the dipeptide predominantly…
A: An amino acid is a biomolecule with a hydrogen atom, an amino group, a carboxyl group and a…
Q: Which of the following statements inaccurately describes glutamate dehydrogenase? Glutamate…
A: Option a: This option is correct because Glutamate dehydrogenase can utilize either NAD+ or NADP+ as…
Q: Which of the following could act as one of the substrates in a reaction catalyzed by a…
A: Let's break it down in detail:Glycosyltransferases are enzymes responsible for catalyzing the…
Q: A coal fire plant uses 1 kg of coal to generate 1000 kWh of electricity and emits 50 kg of CO2 and 5…
A: The objective of the question is to understand the relationship between the functional unit (FU) and…
Q: 10. A new protein of unknown structure has been purified. Gel filtration chromatography reveals that…
A: From the given data, we can deduce the following about the protein's tertiary and quaternary…
Q: Melting Temperature (Tm) of a dsDNA molecule is the temperature at which a 100% of…
A: The correct answer is:c. 50% of the dsDNA exists in a single-stranded (denatured) form.…
Q: STEM Workplace Practices Q3
A: The objective of the question is to understand the purpose of release-testing in the context of…
Q: Consider the following Peptide: Alanine-Lysine-Glutamine-Serine-Glycine Select all that applies…
A: Peptides are short chains of amino acids linked by peptide bonds ( the bond between CO and NH in…
Q: serine proteases act via a two-step catalytic mechanism. However, as a critical scientist, you may…
A: Serine proteases are protein cleaving enzymes that have Serine, Histidine and Aspartate (the…
Q: A 4. Rank the following polymers in order of hydrolysis rate. (6 pts) B C Faster n D Slower
A: Approach to solving the question:Step 1: Identify key factors affecting hydrolysis rateBond…
Q: Draw the major organic product of the following reaction: 1. (CH3CH2)2NH, H+ (cat.) 2. о H 3. H3O+
A: In the reaction of Cyclopentanone the major product will be a ketone which is…
Q: Briefly explain....Represent the reactions when Phosphatidylethanolamine was treated with; (I)…
A: ● Phosphatidylethanolamine is a type of phospholipid found in cell membranes.● It consists of a…
Q: With regards to antibodies define the following terms in the space belowa. CDRsb. Constant regions
A: a. CDRs (Complementarity-Determining Regions):CDRs are specific regions within the variable domains…
Q: A compound has a pKa of 7.4. You have made up 100 mL of a 1.0 M solution of this compound at pH 8.0.…
A: To find the ratio of the unprotonated to protonated form of the molecules, we'll use the…
Q: Biochemistry Question
A: Step 1:Share the screen from your computer in a conversation with A1, to show desktop applications…
Q: 1.The diagram below shows an outline of the aminotransferase mechanism that skips the specific steps…
A: Vitamin B6 is a collective term for three biomolecules: pyridoxine, pyridoxal and…
Step by step
Solved in 2 steps
- In order to make a solution of the concentration 0.364 M, what mass of NaCl should bedissolved in 152 mL of water?A 110.0value - mL buffer solution is 0.255M in NH3 and 0.395 M in NH4Br. The Kb alue for NH3 is 1.76 x 10^-5. What mass of HCI could be handled before the pH falls below 9.00 ?How much of the enzyme proteinase k (solute) is required to make 250ml of a solution with a concentration of .01mg/ml? (Weight/volume ratio)
- What is the pH of the following buffer mixtures? (a) 100 mL 1 M acetic acid plus 100 mL 0.5 M sodium acetate (b) 250 mL 0.3 M phosphoric acid plus 250 mL 0.8 M KH2PO4What is the final concentration if 239mL of a 3.9M glucose solution is diluted to a volume of 842mL?An aqueous solution contains 0.34 M potassium cyanide. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.34 mol HCI04 0.16 mol NaOH 0.33 mol KCIO4 0.16 mol HCIO4 0.33 mol HCN
- The glass electrode used in commercial pH meters gives an electrical response proportional to the concentration of hydrogen ion. To convert these responses to a pH reading, the electrode must be calibrated against standard solutions of known H+ concentration. Determine the weight in grams of sodium dihydrogen phosphate (NaH2PO4 · H2O; FW 138) and disodium hydrogen phosphate (Na2HPO4 ; FW 142) needed to prepare 1 L of a standard buffer at pH 7.00 with a total phosphate concentration of 0.100 M . See Problem 24 for the pKa values of phosphoric acid.What is the molarity of a 30% solution of NaCIThe pH of human blood is buffered at 7.35 to 7.45. If the [OH-] of the blood sample is 6.3x10-6, calculate its pH value. Is the patient’s pH within the range? Or is experiencing acidosis or alkalosis condition?
- A 1.143 g sample contains only vitamin C (C,H, 0,) and sucralose (C,H,Cl, O,). When the sample is dissolved in water to a total volume of 31.7 mL, the osmotic pressure of the solution is 3.91 atm at 285 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: sucralose: %If the pH of a voledronic acid solution is 5.8, and the voledronate concentration is 9 mM, what is the concentration of voledronic acid? (pKa=5.0) 1.4 0.5 185.2 20 379.5What mass in grams of dextrose and sodium chloride are required to prepare 250 mL of D10 NS electrolyte?