D-Galactose DGlucose CORRECT INCORRECT Glucose and galactose are both Aldohexoses They constitute the structure of the disaccharide maltose They are epimers at carbon 4 They are not mirror images of each other, neither an enantiomeric pair

Q: What is measured at the A280 absorbance values?

A: Proteins in solution has a absorbance maxima at 280. The aromatic amino acids are responsible for th...

Q: hospital, his physician told him that his infarction is the result of a long history of smoking. Exp...

A: Cholesterol is an important steroid required for many steroid synthesis like testosterone. It is pre...

Q: Consider the following peptide sequence: His-Pro-Lys-Arg-Ala-Gln-Ser-Cys-Pro Which test will the p...

A: Millon's test is an analytical test that is used for the identification of the amino acid tyrosine i...

Q: CO, + ATP + H20 + ADP + P, + 2H* D ligase D lyase D oxidoreductase Disomerase O hydrolase transferas...

A: Enzymes are proteins that speed up the metabolism (or chemical reactions) of our bodies. They constr...

Q: Consider the mechanism below. (i) Identify Asp X's function in the first step of the reaction. Ex ho...

A: The reaction mechanism shown here is an enzyme catalyzed reaction to synthesize sugar acid and here ...

Q: In the first cycle of fatty acid synthesis via the acyl carrier protein system, the acetyl group on ...

A: Fatty acid synthesis is the formation of fatty acids from acetyl co A and NADH using fatty acid synt...

Q: Describe the first step of B-Oxidation in peroxisomes ( name substrates , products, and eznymes) Wha...

A: Beta Oxidation: this is the process during which Fatty acids are broken down in mitochondria to rele...

Q: Explain the mechanisms involved in acid-base balance regulation for patients with chronic obstructiv...

A: Acid-base homeostasis and pH regulation are important for maintaining normal physiology and cell met...

Q: Assume that Compound A is an inhibitor of the electron transport chain's Complex II. On the other ha...

A: Electron transport chain is the transport of electrons through a chain of electron carriers to the m...

Q: 1. Which of the following proteins are coagulated by heat? A. Albumin B. Globulin C. Glutelins D...

A: Proteins are the macromolecules made up of amino acids. They are made up of Carbon, Hydrogen, nitrog...

Q: Which of the following DNA pol I activities would be MOST important in the removal of the primer?  ...

A:  DNA polymerase is the key enzyme for DNA synthesis. DNA polymerase requires a single stranded DNA a...

Q: How many mL of 0.254 M NaOH are needed to fully react with 37.50 mL of 0.358 M H2SO4?

A: Concentration of the NaOH = 0.254 M Conc. of H2SO4 solution = 0.358 M or conc. of [H+]=2×0.358 M =0....

Q: 3. The rates of a carbonic anhydrase catalyzed reaction of CO2 and H20, in the absence and presence ...

A: Carbonic anhydrases catalyze the interconversion between CO2 and H2O, maintain acid base homeostasis...

Q: Assume that a certain cell, the ratio products/reactants or Keq 560.6 (Keq dimensionless) reaction G...

A: A reversible reaction is one that can go both forward and backward. When the rate of the forward rea...

Q: Between glucose and fructose, which monosaccharide is metabolized faster? Why?

A: Both glucose and fructose are monosaccharides. Both undergo oxidation and produce two molecules of p...

Q: the difference between the chemical structures of DNA & RNA and state the said difference in a short...

A: Both the DNA and RNA are made of nucleotides , containing a fivecarbon sugar backbone (pentose) , a ...

Q: 1)NADH is made from NAD+ by a)An oxidation-reduction reaction b)Oxidative phosphorylation c)A pro...

A:

Q: Amount of water added (mL) Amount of Stock Solution (mL) Final Concentration A Solution 1 0. Solutio...

A: The concentration of unknown solution can be calculated from the formula C1V1= C2V2 Where C1= Concen...

Q: Why Sexual is the most important type of variation in human?

A: Sexual variation causes genetic diversity in humans . Genetic diversity is important because it give...

Q: 3. The rates of a carbonic anhydrase catalyzed reaction of CO2 and H2O, in the absence and presence ...

A: Carbonic anhydrases catalyze the interconversion between CO2 and H2O, maintain acid-base homeostasis...

Q: Given the chromatogram below in a normal phase, which samples would be the least polar? • Samples B ...

A: Chromatography is a technique, used to separate related compounds from a mixture. It is used for the...

Q: Why is the peptide formation always presented/read from N-terminal to C-terminal?

A: Introduction:  Amino acids are joined together by a condensation reaction between carboxylic and ami...

Q: enzyme

A: The activity of enzymebis affected by various factors and it can also be calculated by observing the...

Q: 7. To improve the digestion of food proteins in chronic inflammatory-dystrophic disorders of the pan...

A: Chronic inflammatory dystrophies are a disorder of pancreas also called chronic pancreatitis. In thi...

Q: Fibrous proteins characteristically have a hydrophobic interior and a hydrophilic surface.  Glycopr...

A: Protein structure is the three dimensional arrengments of polymers specifically polipeptide chain wh...

Q: Choose all that apply regarding gene transcription in eukaryotes: Exons are removed from mRNA by th...

A: Gene Transcription in eukaryotes is s multistep process requiring the participation of three RNA Pol...

Q: What is the best interpretation from the results?

A: 1. Negative ninhydrin test shows that the sample does not contain free amino acids. 2. Positive xant...

Q: Look at the amino acid composition of a protein given in the table and click on the area in the 2D g...

A: the isoelectric point of an amino acid is the pH at which the net electric charge of that amino acid...

Q: Given the chromatogram below, which of the following is the possible identity of unknown sample Y? B...

A: chromatography Thin layer Chromatography is a technique to separate non-volatile substances  in a mi...

Q: Hormone Concentration (nM) Protein 1 Protein 2 Protein 3 0.2 0.048 0.29 0.17 0.5 0.11 0.5 0.33 1 0.2...

A: Hormone binding to receptor molecules can be determined by its affinity of binding. Hormone with hig...

Q: Cellulose is indigestible but necessary for O aiding in elimination O preventing stomach cancer O ho...

A: Cellulose a linear polysaccharide composed of glucose molecules linked via β-1,4 glycosidic bond. Hu...

Q: The porosity of the PAGE gel is determined by the ratio of acrylamide and the amount of ...............

A: Polyacrylamide gel electrophoresis also called PAGE is a biochemistry technique used to separate bio...

Q: Why is there such a large range of ∆G for the second step of glycolysis?

A: Glycolysis is the sequence of reactions that are used to break down glucose into two three-carbon co...

Q: The amino acid histidine has been found to participate in both acid and base catalysis in many enzym...

A: Histidine is a basic amino acid and it contains an imidazole ring in its side-chain. Histidine is mo...

Q: In a haploid, a nonsense suppressor su1 acts on mutation1 but not on mutation 2 or 3 of gene P. An u...

A: In a procedure known as synthetic rescue, a suppressor mutation is a second mutation that alleviates...

Q: Why the Ezyme activity deacreses when the MgCl2 concentration increases to 4mM onwards? Discuss

A: Enzymes are usually consist of protein molecules (composed of amino acids polymers). Active site of ...

Q: A mixture containing arginine, glutamic acid and isoleucine was subjected to electrophoresis at pH 7...

A: Amino acids differ from each other on the basis of their side-chain properties. There are twenty sta...

Q: What is meant by the statement “The genetic code is universal”? What is the significance of this fin...

A: DNA is deoxyribonucleic acid that contains genetic information. Gene is a segment of DNA that can pr...

Q: Calculate the approximate MW of a protein with 341 amino acid residues and express it ing/mol  and i...

A: Given Values: Number of residues in the protein = 341 aa Average molecular weight of an amino acid =...

Q: Which of the following correctly describes peptide bonds? *

A: Since you have posted multiple questions we will solve the first question for you. If you want any s...

Q: Which of the following is associated with pain relief? a. acetylcholine c. serotonin b. glutamate d....

A: Introduction: The term pain is an unpleasant sensory and emotional experience associated with actual...

Q: Assuming that 7,300 calories are required for the synthesis of each mole of ATP, calculate the perce...

A: Energy conservation refers to any attempt made to limit the consumption of energy by utilising fewer...

Q: When experiencing stress, the effects of the epinephrine circulating in the body will result in a. b...

A: Therapeutic Epinephrine is a synthetic version of the sympathomimetic amine epinephrine, which has v...

Q: SSBs are:   single-stranded DNA binding proteins that prevent re-annealing   supercoil stabilizing...

A:

Q: Protein-4YU4 is given, choose a part of it (containing at least 30 amino acid residues), find the am...

A: Protein-4YU4 is a PDB (protein data bank) name of mongoose haemoglobin, it is consist of four chains...

Q: The following reactions were catalyzed by an enzyme that follows the Michaelis-Menten mechanism in t...

A: The given enzyme kinetics is said to follow Michaelis-Menten mechanism. Here Substrate concentration...

Q: Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentratio...

A: Malate dehydrogenase is citric acid cycle enzyme (metabolism) catalyzes the oxidation of malate into...

Q: What is the structure of intermediate F?

A: Metabolism is a biochemical reaction which is consisted of catabolic (breakdown) and anabolic (synth...

Q: Question 6. The solubility of globular proteins, when dissolved in water, is influenced by the facto...

A: Globular proteins are the folded proteins that consists of hydrophilic aminoacids on the surface and...

Q: Translocation during translation requires energy from the hydrolysis of Select one: O a. GTP O b. AT...

A: Translation is the process of formation of proteins from amino acids that are synthesized by the mRN...