Why is PHC still relevant today?

Q: If we wanted to measure the BSA absorbance without the Biuret reagent, which wavelength would we use…

A: BSA means bovine serum albumin. BSA is a protein and proteins are composed of twenty standard amino…

Q: What are the different applications of Gel Electrophoresis?

A: The variation in size and charge of distinct molecules in a sample is exploited by the gel…

Q: The structure below is a ___________.       Sphingomyelin     Phosphocholine ceramide…

A: Lipids are a macro biomolecules made of fatty acid monomers, naturally occurring organic compounds…

Q: What is the ATPase

A: Adenosine triphosphate (ATP)ases are a class of enzymes that catalyse the hydrolysis of a phosphate…

Q: In contrast to resting cells, muscle tissue in an active metabolic state will have ___________…

A: Muscles are referred to as the source of contact addresses of the body that are principally…

Q: In the ESTIMATION OF TOTAL SERUM CHOLESTEROL using ZAK AND HENLY’S METHOD, explain why should the…

A: In this estimation method, proteins in serum are precipitated with ferric chloride-acetic acid…

Q: Question Which of the following activities of DNA pol lis MOST important in proofreading A 5' to 3'…

A: The DNA replication in the newly added base are read by DNA pol I  enzyme to check weather the added…

Q: ОРОЗ CH2 OH ОН ОН ÓH

A: In the given molecule a phosphate group is attached to a monosaccharide at the 6th carbon.…

Q: Self-splicing introns are called ribosomes splicing enhancers ribozymes intron silencer

A: Self splicing introns : These can catalyze their own excision from the mRNA, the tRNA, rRNA…

Q: 3. Which of the following is not a part of relative substrate specificity? a) Group specificity b)…

A: Enzymes are proteins that assist the bodies speed up chemical processes. Enzymes act on substrate…

Q: Refrigeration prevents the spoilage of food. What does this action have to do with the way that…

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

Q: As the smallest unit of lipids is a glycerol, whereas, the amino acid is the smallest unit for…

A: Introduction: Amino acid is a compound that contains amino and a carboxyl group with a unique side…

Q: (d) Identify a wax from the list of compounds shown. ____________ (e) Identify a diglyceride from…

A: The three principal categories of lipids are phospholipids , sterols, and triglycerides.

Q: In group II introns, the splicing reaction is initiated by an internal O purine pyrimidine O both…

A: Purine : Adenine and Guanine Pyrimidine: Thymine and cytosine

Q: Tube Tube Tube Tube Tube Tube Tube Tube Tube Tube 4 7 8. 10 .1 .01 .001 .0001 x10 x10 x10 x108 x109…

A: Given Values: The dilution factor in each tube from the previous one is 1/10. It means the dilution…

Q: 9. Which of the following enzyme catalyzes a reaction that introduces reduced nitrogen ito cellular…

A: Nitrogen metabolism is an important process in bacteria through which nitrogen is assimilated into…

Q: In bacteria, single polycistronic mRNA encodes for: a single mRNA which is split into…

A: Polycistronic mRNAs are those that code for many polypeptides from a single mRNA as it involves…

Q: Glucose is a polar molecule. Would you predict that the amino acids of the enzyme hexokinase in the…

A: hexokinase catalyzes the transfer of the phosporyl group. The enzyme undergoes induced-fit…

Q: Assessment : Short Quiz True or False Polarity of water is due to the more electronegative hydrogen…

A: Water is a universal polar solvent. The molecular formula of water is H2O. It is composed of two…

Q: Briefly describe the following and give examples. 1. Monosaccharides 2. Disaccharides 3.…

A: 1. Monosaccharides - they are simple carbohydrates that consist of a single polyhydroxy aldehyde or…

Q: Explain in complete manner why these 3 became the major pathway that eventually become the entry…

A: Metabolism includes biosynthesis/ reduction (an anabolic process) and oxidation (catabolic…

Q: Which of the following statements are TRUE? O a. Phosphofructose kinase (PFK) is used exclusively…

A: Carbohydrates are made up of carbon, hydrogen, and oxygen in the ratio of 1:2:1. Carbohydrates act…

Q: Which of the following functions is NOT or cannot be performed by lipids? They can serve as chemical…

A: Answer: Definition: Lipids are the organic, water insoluble compounds. Eg: wax, sterols, oils,…

Q: Q2: What is the theoretical oxygen demand of sucrose 1.25 g/L solution? Write down the…

A: Theoretical oxygen demand : It is abbreviated as TOD. It is defined as the calculated amount of the…

Q: 4. Draw the condensed structural formula for the triacylglycerol made from 3 saturated fatty acids…

A: Triglycerides are the main constituents of body fat in humans and other vertebrates and are also…

Q: Match the following structural composition with the corresponding polysaccharide Linear homoglycan…

A: Polysaccharides may be homopolysaccharides (contain a single type of monomer) or…

Q: 4. Draw the number of fragments as well as their sizes as they would migrate on the electrophoresis…

A: Sal1 is a restriction endonuclease i.e it cleaves DNA at the recognition sequence 5'-G/TCGAC-3'…

Q: Entire sequence below needs to be amplified by PCR and subcloned into a plasmid vector. Which of the…

A: PCR, or the polymerase chain reaction, is a technique used by molecular biologists to amplify…

Q: 1. Calculate the overall AG°' (reported up to two decimal places) for the net reaction. kJ/mol 2.…

A: In biological systems, a thermodynamically unfavorable reaction with a positive Delta G value is…

Q: Enhancer sequences may be very far from the genes they affect but they are always upstream of the…

A: Enhancer sequence : These are regulatory DNA sequences, when these are bound by transcription…

Q: Assume you were given a mixture consisting of one molecule each of all possible sequences of a…

A: Proteins are long chains of single amino acids. The human body uses 20 different amino acids in…

Q: Hypothesize ways to manage the disorders associated with the Inborn Errors of the Krebs Cycle. Given…

A: In the TCA cycle net gain of 6NADH molecule, 2FADH2 molecules by oxidative phosphorylation,…

Q: Pyruvate can be processed under anaerobic conditions to ethanol (in yeast) or to lactate (in…

A: Introduction: Pyruvate is the product of glycolysis which is an important junction point in…

Q: What is the role of decarboxylation in fatty acid synthesis? Describe another process discussed in…

A: Fatty acids are the body's fat-building blocks. Acetyl-CoA is used to make fatty acids. Fatty acid…

Q: Bypass I of gluconeogenesis requires a source of energy. This energy comes from: a   oxidation of…

A: Glucose is the primary source of energy for the body, and it is primarily obtained through the diet.…

Q: Having peptides arranged in a beta sheet would be an example of a secondary structure A) True B)…

A: The Beta-pleated sheet is a sequence of anti-parallel chains of covalently-attached amino acids,…

Q: See attached. Write the important biomolecules in the nutrition facts and conclude whether the…

A: The nutrients required by the body are classified as macronutrients and micronutrients based on the…

Q: A newly synthesized protein contains a signal peptide on the N-terminus end of its polypeptide…

A: Proteins are a linear chain of amino acid sequences attached together via peptide bonds. There are…

Q: 23. The following data describe the cleavage of peptide bonds in small peptides by the enzyme…

A: Introduction:  Serine proteases are a large group of enzymes that cleaves the amide bond and…

Q: An Autosomal Dominant trait is only evident in the homozygous state. True False

A: A Dominant inheritance occurs when an abnormal gene from one parent is capable of causing disease.

Q: b) Consider the following experimental results: Total hydrolysis of a nonapeptide gave:…

A: Proteins or peptides are made up of twenty standard amino acids that are attached together via…

Q: Rank the melting points of the following fatty acids from highest to lowest:    (1)…

A: Introduction: Fatty acids consist of a long hydrocarbon chain and a terminal carboxylate group. with…

Q: What is the relative activity and the degree of inhibition caused by a competitive

A: Enzymes are catalysts that speed up biochemical reactions (biological catalysts). Enzyme inhibitors…

Q: Explain the roles of transamination, oxidative deamination and the urea cycle in amino acid…

A: Transamination and deamination are two very important processes of amino acid degradation. The…

Q: cholesterol

A: Cholesterol is the major  and most abundant sterol in animal tissues. It is amphipathic, with a…

Q: state why simplicity and speed are top priorities in selecting DNA isolation method

A: DNA isolation is the first basic step that is carried out in biological science to study on that…

Q: Briefly describe the primary structure of collagen, a- keratin and B-keratin.

A: Proteins are biomolecules and macromolecules that are made up of one or more long chains of amino…

Q: Question 21 Transcription of a typical gene encoding a polypeptide in eukaryotes involves all of the…

A: Transcription is the process that occurs in nucleus of a cell that involves the Synthesis of mRNA…

Q: 10. Symptoms of insulinoma, a hormone-producing tumor of the B-cells of the islets of Langerhans of…

A: Insulinoma is tumor of pancreas that produces excess amount of insulin i.e tumor of the beta cells…

Q: Сно сно CH,OH Fo но H- HO- H- Phosphorogluco- isomerase Phosphofructo- kinase Нехоkinase но H- но…

A: The given pathway represents the glycolytic pathway, through which the glucose molecules are…