Explain how gel filtration chromatography works. What type of gel will you used when the protein size is 2500 Da? Explain.

Q: Which of the following disaccharides produces two different monosaccharides upon hydrolysis? maltos...

A: Disaccharides are the Carbohydrate molecules made up of two monosacharide units. The monosacharides ...

Q: 3. Explain the fluid mosaic model of a cell membrane, use a diagram to explain your answer. Then bri...

A: Plasma membrane is a bilayer of lipids. Plasma membrane provides protection and acts as a selectivel...

Q: Statements: (1) Polysaccharides usually give a negative Benedict's test. (2) The hydrolysis of cel...

A: We will discuss the statements first and then see which is the correct option

Q: The steady-state kinetics of an enzyme has been studied in the absence and presence of an inhibitor ...

A: To study the steady state enzyme kinetics, often enzyme velocity “V” is determined at various substr...

Q: The ability of non-polar substances like fat molecules to clump together in water thereby allowing m...

A: Fats are non-polar molecules and generally insoluble in water. Non-polar molecules can not make hydr...

Q: From natural to synthetic ingredients in perfumery Explain and give example

A: When we smell perfume, we recognise certain fragrances. Scents of flowers, fruits, some foods, leath...

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: Which peptide would be more soluble at pH 7.0, (Val)₂₀ or (Asp)₂₀ ? at pH 3.0, (Gly-Glu-Val)

A: Proteins have their least solubility close to the pH that is equal to their pI. 

Q: Which of the following is NOT true regarding E. coli replication on the lagging strand?   initially...

A: In molecular biology, DNA replication is the process of making two identical DNA molecules from one ...

Q: 2. Imagine that you have given blood, but a sample of your red blood cells is accidentally stored in...

A: BLOOD : Blood is a circulating fluid which contains numerous cells , oxygen and suspended  in plasma...

Q: If 500 µmoles of CO2 are produced in a yeast culture fermentation supplied with glucose (MW=180 g/mo...

A: Yeast fermentation occurs to generate energy in the presence of oxygen and reaction is given below C...

Q: explain how calvin cycle eznymes are indirectly activated by light

A: Calvin cycle occur at day time because it depends upon light reaction. The Calvin cycle refers to th...

Q: F1 progeny then mates with a short, brown, pretty male. The table below shows the res Based on the d...

A: To determine the correct order of the gene,we need to compare the recombinant frequencies among all ...

Q: 16. What would be the expected result in electrolytes if there has been a carry over of anticoagulan...

A: K+ will be elevated up to 7.0mEq/L A healthy plasma/serum K+ level is in the range of 3.5-5.2 mmol/L...

Q: 5. Treatment of the patients with familial hypercholesterolemia by statins (pravastatin, for instant...

A: Familial hypercholesterolemia is an autosomal dominant condition.  It is linked to early cardiovascu...

Q: What type of reaction is catalyzed by  these complexes? Describe the role of dihydrolipoamide dehydr...

A: Dihydrolipoamide dehydrogenase (DLD) is present in pyruvate dehydrogenase complex which catalyzes pr...

Q: the different individuals involved in a clinical laboratory (their job specification -qualification,...

A: JOB SPECIFICATION Laboratory Director     QUALIFICATION and TRAINING Doctoral degree (e.g., MD or ...

Q: 2. The following plots show an oxygen binding curve for hemoglobin under a certain set of conditions...

A: The shown in question is Oxygen-Hemoglobin (O2-Hb) dissociation curve where Y axis represent O2-Hb s...

Q: A red color will ____________________ if impure Desi Ghee is subjected to Baudouin Test Group of ans...

A: Desi Ghee is composed of saturated fatty acids and it is extracted from the milk of animals. Vanaspa...

Q: Write into the given fields the nomenclature name of the given tripeptide and its sequence using one...

A: Each of the 20 naturally occurring amino acids can be denoted by a three letter code or a single let...

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: Which has better emulsifying properties, soap or detergent. Explain your answer using the concept of...

A: Emulsifiers are those substances that decrease the surface tension between two phases which are comp...

Q: Differentiate the following in terms of proteins' structural features in living systems? - primary ...

A: Introduction: Proteins are biopolymers made up of twenty L-alpha amino acids linked by peptide bonds...

Q: Ever eat a maggot? Guess again! The FDA publishes a list, the Food Defect Action Levels list, which ...

A: Given Values: 20 maggots are allowed in 100 grams of the mushroom.  The average size of the batch = ...

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: Assume that the reaction Arabinose +Pi Arabinose-6-P has a delta G of +13.0 kJ/mol and the reaction...

A: Arabinose +Pi gives Arabinose-6-P (i) Delta G1 =+13.0 kJ/mol XTP gives XDP + Pi                     ...

Q: A) Why most therapeutic inhibitors (prescription medications) that are enzyme inhibitors function th...

A: A competitive inhibitor is any compound that bears a structural resemblance to a particular substrat...

Q: 1. Based on your knowledge about gums and mucilages, how will you differentiate resins from them? (O...

A: Q. 1. Mucilages are generally normal products of metabolism (physiological products), formed within ...

Q: What reaction is catalyzed by this enzyme (structures of molecules not needed)? Explain why this enz...

A: Triosephosphate isomerase catalyzes the isomerization or racemization reaction in 5th step of glycol...

Q: Increase the amount of substrate present.     Increase the amount of enzyme present.     Decreas...

A:

Q: Which statement below best describes the main difference between how scientists define data and hypo...

A: Scientific Hypothesis is a part of scientific method which consists of 6 different steps. Scientific...

Q: Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, ...

A: Proteins are made up of amino acids, which are a type of molecule. The basic components of life are ...

Q: Substrates and reactive groups in an enzyme’s active site must be precisely aligned in order for a p...

A: Hi, First I would like to thank for submitting a question. As you have asked multiple question here ...

Q: In this time of COVID-19 pandemic, a communicable disease caused by Severe Acute Respiratory Syndrom...

A: The coronavirus disease (COVID-19) pandemic, caused by the SARS-CoV-2 virus, which has changed to al...

Q: 2. How does SDS-PAGE separate proteins and peptides from each other? Explain

A: 2. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) is an immunological techniqu...

Q: (a) Vanillic acid is a phenolic compound found in vanilla and many other plant extracts. It is a fla...

A: According to shikimate pathway, Phenylalanine goes through biosynthesis wherein p-coumaroyl coenzym ...

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

A: Deoxyribo nucleic acid is abbreviated as DNA and Ribonucleic acid as RNA. They are the molecules tha...

Q: Which of the following best explains why enzyme catalysis is affected by a change in pH? A. Change ...

A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation energy...

Q: In the second reaction of the pentose phosphate pathway that generates NADPH, What are the subtrates...

A: The pentose phosphate pathway also called the hexose monophosphate shunt is an alternative pathway f...

Q: O His-Tyr Question 23 At low salt concentration, proteins are less soluble. Changing the solubility ...

A: Salting out : Protein precipitation at the high salt concentration 

Q: Modified true or false. Write the correct answer if the underlined word is false. 1. In ion-exchang...

A: Chromatography is the process of separating a mixture of chemicals into its constituent parts based ...

Q: Give the similarities and differences of the gel filtration and isoelectric precipitation in terms o...

A: Protein Purification: Modern protein science lab and related industries overexpress target protein i...

Q: MULTIPLE CHOICE 1. High density lipoproteins is an example of which kind of protein? A. Regulatory...

A: Proteins are composed of twenty standard amino acids attached together via peptide bonds. These twen...

Q: Cecilia is a l45-pound woman who consumes five standard drinks (14 gr of alcohol each). Estimate how...

A: Widmark Formula: This is a formula suggested by Swedish Scientist and forensic toxicologist Erik Wid...

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: Suppose you have a solution of 0.1 M H2CO3 and 0.1 M NaHCO3. Which of the following reactions takes ...

A: A buffer solution is composed of a weak acid and its conjugate base. A buffer solution resists the c...

Q: Which of the following could be the DNA template for the following protein primary structum Methioni...

A: In order to form a polypeptide chain, amino acids are linked together in a sequence. During protein ...

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: 24. Add formal charges directly to the structures. 2+ FHF -P C-Si-C H-AI-H H CI

A: Introduction: The formal charge of an atom is the charge that is calculated for an atom in a Lewis s...