sugar
Q: Ketosis in Dairy Cattle: 1. Explain why propionate can contribute to the next synthesis of glucose b...
A: Ketosis in dairy cattle is a metabolic disorder appears with increased energy demand due to starvati...
Q: Describe and give the results of an experiment that shows that polymerase I is located primarily in ...
A: The eukaryotes have three RNA Polymerases These RNA Polymerase I , II and III, have different locali...
Q: 21) Compute the moles of FADH2, NADH, GTP generated and NADPH consumed in the dissimilation of one m...
A: Lipids are easily soluble in nonpolar solvents such as benzene, ether, ...
Q: Proteins that span the biological membrane bilayers often contain α-helices and b-barrels. (a) Given...
A: Proteins have four levels of structural organization including Primary, secondary, terti...
Q: Order the following choices to indicate the sequence of steps in the process of elongation of a grow...
A: The process of translation involves the synthesis of polypeptide chain and proceeds in three stages:...
Q: Consider the following biochemical reaction. pyruvate + CoA-SH Acetyl-CoA + CO2 AG = -175 kJ Select ...
A: The change in free energy of a reaction ΔG is calculated by the equation: ΔG=ΔH −TΔS where ΔG is the...
Q: What do pathogenesis related proteins and phytoalexins have in common? How do they differ?
A: Pathogenesis related (PR) protein – These proteins are produced by plant in the event of pathogen at...
Q: Propose one amino acid substitution that would disrupt the leucine zipper structure and explain why
A: Leucine zipper structure is formed by leucine residues and these leucine residues are held together ...
Q: 5' AU Py U A AGGCC G. UGGC G C G GGG What modified nucleoside base is indicated by the arrow? dihydr...
A: The answer of the above question is : Pseudouracil (Ψ). Pseudouridine (psi- Ψ)is an isomer of the nu...
Q: 2) A group of three researchers (who often tend to disagree with one another) isolated a new protein...
A: a) This must be enzyme containing a iron- sulphur cluster not a Mn- cluster.Iron- sulphur cluster co...
Q: protons are needed to produce and transport ATP during the electron transport chain.
A: Aerobic metabolism is a set of three basic metabolic processes that occur in cells to generate energ...
Q: Each amino acid could potentially exist as one of two possible enantiomers, known as the D-form and ...
A: Amino acids are biomolecules that are comprised of two functional groups, these are an amino group (...
Q: The synthetic process by which monomers are covalently linked is (a) hydrolysis (b) isomerization (c...
A: Biomolecules are organic molecules made up of mainly carbon and hydrogen but there are other element...
Q: Sam does not consume alcohol, while his brother Sebastian regularly drinks large quantities of alcoh...
A: Liver, the largest gland in the human body has various secretory and metabolic functions. It secrete...
Q: Prior to a marathon run, an athlete consumes large amounts of complex carbohydrates to do what is kn...
A: Carbohydrate loading is a strategy used by endurance athletes such as marathon runners to increase g...
Q: • Find the correct Haworth projection. CH;OH CH2OH он, но- CH,OH CH;OH о он H- -ОН OH о он он, OH но...
A: Ans) The correct answer is option (a) The Haworth projection is simply the three-dimensional viewpoi...
Q: Exercise B: Peptide Bond Formation Figure 2 shows two individual amino acids, and then those same tw...
A: Macromolecules are types of biomolecules that are needed in large amounts for the growth and develop...
Q: Show, using a flow diagram with annotations, what data is used to determine structural configuration...
A: The principal technique that is sued the three-dimensional structure of molecules, including protein...
Q: Figure 1 show the shape of the peaks in gas chromatography that causes loss of column efficiency. De...
A:
Q: What are the three special proteins needed to form the initial replication bubble?
A: Replication is an essential process taking place in all living organisms that ensure the maintenance...
Q: Why do we compute for TFM in soaps. How does one calculate for TFM? What is saponification? Show it...
A: 1. The TFM quantity interprets the quality of soap. It adds moisturizing properties to the product, ...
Q: what receptor helps distinguish between organic and inorganic ? what does not remove neurotra...
A: Elements combine to form chemical substances called compounds. Further, all the compounds have been ...
Q: What is the difference between symptom and sign. Give examples of symptoms and signs
A: Signs are something that physicians and other people notice it. Symptoms are something that patients...
Q: How can you show that σ (sigma factor) does not really accelerate the rate of transcription elongati...
A: Transcription: It is the first step of gene expression where a particular segment of DNA is copied t...
Q: 2. Circle & Name functional groups C-C-N но H. CH2 CH H,c CH3 HICI
A: The structure given is of the amino acid valine. Valine is a non-polar aliphatic amino acid. Functio...
Q: Match the function with the appropriate protein or sequence:
A: tRNA is a short nucleotide chain with L-shaped structure. A tRNA molecule is required for translatin...
Q: Draw a tripeptide only containing Alanine
A: Amino acids are the building blocks of proteins which are composed of amino group (NH3+), carboxyl g...
Q: how many ATP synthesized by oxidation of NADH by O2? Compare it with the ATP synthesized by oxidatio...
A: Electron transport through complexes I, III, and IV is coupled to the transport of protons out of th...
Q: Which of the following make up a nucleotide? phosphate + sugar base + sugar base + sugar + ...
A: Nucleoside= Nucleotide - phosphate group In a nucleoside, the anomeric carbon is linked through a gl...
Q: Enumerate the common tests employed to the following dosage forms and give the reason why the test i...
A: The various dosage form have to go through some test in order for them to be reagrded safe for use a...
Q: a. You selectively label phospholipids with a fluorescent dye and perform the FRAP assay. You detect...
A: FRAP is a method to determine the diffusion or kinetics of the biomolecule through tissue or cells. ...
Q: Which of the following correctly describes the linkages found in ATP? two anhydrides, a phospho e...
A: Adenosine 5'- triphosphate or ATP is the principal molecule used for storing and transferring energ...
Q: what type of reaction is the the reverse synthesis of ceramides from sphingosine
A: Ceramides belong to the family of waxy lipids that contain sphingosine and fatty acids. It is abunda...
Q: The following were obtained in a study of an enzyme known to follow Michaelis-Menten kinetics: R...
A: Enzymes are proteins which accelerate the rate of biochemical reactions. The Michaelis-Menten plot r...
Q: What is the term applied to the trinucleotide shown by the arrow? 5' AU Ру AGGCC G C G G G ACCACCUGe...
A: This a structure of tRNA, The tRNA molecule has a distinctive folded structure with three hairpin lo...
Q: A polypeptide with a pH of 2.0 has a total net charge of 0. Gly-Pro-Glu-Asp-Leu-His-Ile-Gln-Asn-Phe ...
A: This peptide is composed of glycine, proline, glutamic acid, aspartic acid, leucine, histidine, isol...
Q: Your supervisor asks you to carry out an in vitro transcription reaction. Unfortunately, they are ca...
A: The genome of an organism is composed of DNA. The DNA is replicated during the time of cell division...
Q: Electrospray can transfer the peptide from solution into the gas-phase while retaining the peptides ...
A: Peptides are short chains of amino acids linked by peptide/amide bonds. The property of the peptide ...
Q: The interface formed between two hydrophobic molecules in the context of the aqueous environment of ...
A: Different bonds are present in a biological system. They are generally subdivided into 2 categ...
Q: Which of the following cofactors will eventually dissociate from their enzyme polypeptide given enou...
A: Enzymes are usually composed of proteins that contain active sites for the substrate binding. It wor...
Q: Protein folding
A: proteins are composed of some 20 types of amino acid residues, and they would be more or less alike ...
Q: What distance separates base-pairs in the Watson-Crick model of DNA? O 2.3Å O 3.4Å O 4.5Å O 5.6Å
A: DNA is a double helix structure that is made up of two long strands that are coiled around a central...
Q: what percent of the grapes used to make the wine could be non-Cabernet Sauvignon?
A: Cabernet Sauvignon is one of the most recognised red wine grape variety which is a hybrid of the red...
Q: Consider two enzymes catalyzing two reactions (A --> B --> C ) in a metabolic cascade with their pro...
A: Ans) The order of concentration of A, B, C are in order [C] > [B] > [A] Explanation: The abov...
Q: e tra led by the solvent Distance travellad bu
A: Chromatography is a technique by which we separate molecules from a mixture In this technique, we us...
Q: Q30. During passage through the G1/S transition, the phosphatase that removes the Tyr15 phosphate fr...
A: Cyclin dependent kinases (CDKs) are enzymes which belongs to the family of protein kinases and invol...
Q: Soluble fiber attracts lots of water, swells, and becomes viscous. This characteristic allows it to ...
A: Dietary fibre is a component of plant-based foods that primarily flows through your digestive system...
Q: Please describe the hydrophobic effect and its contribution to membrane protein folding
A: The hydrophobic effect being the major driving force for the membrane protein folding
Q: Speculate on what the receptor sites for each of these molecules might be in terms of shape and pola...
A: Receptors are membrane proteins consisting of proteins, and glycans. Its extracellular domain contai...
Q: What biotechnology product that has improved life, and what would our life be without this product?
A: Biotechnology is a technology that uses living beings and biological processes to bring new solution...
A polysaccharide which is a major constituent in the exoskeleton of
arthropods and the cell walls of
This sugar is taken as the standard of sweetness with which the other
sugars are compared?
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- Can human digest this trisaccharide?What bond is it between sugar B and sugar C?(be specific)The disaccharide shown is composed of two units of D-glucose joined with a β (1->6) linkage and is incorporated into the chemical structure of crocin, the chemical compound that gives saffron its color True FalseMany people who are lactose intolerant can eat yogurt, which is prepared from milk curdled by bacteria, without any digestive problems. Give a reason why this is possible. (Hint: Read the label on each of several yogurt containers. Do the ingredients make a difference?)
- Is triose phosphate the simplest monosaccharide? How is it synthesized in plantsStarch and Cellulose. Which one can be hydrolyzed by you and most mammals? Why? Also, discuss the reason for Why the other polysaccharide (name - which one) cannot be digested by most mammals and you. Can you think of some species that are able to digest it? How?Sucrose, lactose, maltose, What is maltose and what monosaccharides are they each made of and tell whether they are connected by an alpha 1-4 glycosidic linkage, a 1-4 beta glycosidic linkage or a 1-5 beta glycosidic linkage.
- Are mannose and galactose epimers? Allose and altrose? Gulose and talose?Ribose and arabinose? Consider only d-sugars. Explain your answers.All of the following are parts of the honeybee's processing of honey EXCEPT: producing a small amount of gluconic acid. concentrating the sugars to a supersaturated state. conversion of some glucose and fructose into sucrose. conversion of most of the fructose to the β-D-fructopyranose form.It has long been recognized that breast milk protects infantsfrom infectious diseases, especially those that affect the digestive tract. The main reason for this protection appears tobe a large group of oligosaccharides that are components ofhuman milk. Suggest a rationale for the protective effect ofthese oligosaccharides.
- Why are polysaccharides (e.g. starch) not soluble in cold water but are soluble in warm water?Humans can digest starch, maltose, sucrose and lactose but not cellulose. What structural feature do the digestible carbohydrates have in common? (Biochemical structure related)Reduction of D-fructose with a reducing agent yields a mixture of d-sorbitol along with a second, isomeric product. What is the structure of the second product?