QUESTION 21 The causes of excess ketone bodies in the urine include all of the following EXCEPT starvation O diabetes mellitus C low carb diets Oblood transfusion I

Q: Which of these structures would you expect to find as part of the transmembrane portion of an…

A: All biological membranes share one common feature: they are impermeable to polar molecules and…

Q: How many reduced molecules (NADH, FADH2, NADPH) will be generated by converting lineoleic acid…

A: The fats are stored in eukaryotes as triglycerides that are broken down using the enzyme Lipase to…

Q: describe the principles behind x-ray diffraction and show how this importnat technique can be used…

A: Proteins are high molecular-weight biomolecules. They are polymers of amino acid residues linked via…

Q: With respect to DNA and RNA polymerases which statement is correct? OA) Only DNA polymerases are DNA…

A: DNA and RNA polymerases are enzymes that work on DNA. DNA polymerase is responsible for DNA…

Q: Which of the following is a ketone body? O Pyruvate Acetoacetic acid O Lactic acid O Glycogen

A: Ketone bodies contain ketone groups and are produced in the liver from fatty acids. The process of…

Q: Increased ROS levels are a hallmark for Alzheimer's Disease. This is accurately described by all but…

A: Within a cell, reactive oxygen species are produced as a byproduct of oxygen metabolism and the cell…

Q: Quaternary structure of the protein is possible for Both monomeric and multimeric protein…

A: There are four level of protein structure classification. They are Primary, Secondary, Tertiary and…

Q: What is a kilocalorie (kcal)? O Unlike 1 food calorie, this is the amount of energy needed to raise…

A: Introduction The calorie  is a unit of energy.  The amount of energy in any food item is measured in…

Q: 3. 1,3-bisphosphglycerate has a high energy bond that can be used to phosphorylate ADP to make ATP…

A: Delta G or the standard free energy of a reaction indicates the tendency of a reaction to move…

Q: F.28.   How will phosphorylation of serine change the pKa of Arg, increase, decrease, or no change

A: Serine is a polar but uncharged residue. Arginine is a basic residue due to the presence of an amine…

Q: If glucose labeled with 14C in C-3 were metabolized by glycolysis, pyruvate would be labeled in: a.…

A: Glycolysis is the metabolic pathway by which 6 carbon glucose is converted into 3 carbon pyruvate in…

Q: Identify the enzyme involved in this reaction from the Pentose Phosphate Pathway. NADP+ OH -H #V₂ H.…

A: In animal tissues, glucose has two possible fates: be oxidised into carbon dioxide and water by…

Q: Question 14 The first three amino acids in a protein are lysine, glutamine, and serine. T describes…

A: The four classes of biological macromolecules are proteins, nucleic acids, carbohydrates and lipids.…

Q: 67. Purified water contains not more than 10 ppm of total solids. Express this concen- tration as a…

A: PPM is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter…

Q: For paper chromatography, the obtained Rf value of an amino acid with uncharged nonpolar R group is…

A: Chromatography is performed to separate a mixture of closely related substances. Paper…

Q: Draw the following Lipids in: A) Condensed (detailed) Structure, B) its Block Diagram. C)…

A: Lipids are a chemically diverse group of biomolecules that have two things in common: low…

Q: nder what conditions may secondary hypolipidaemia occur?

A: Hypolipidemia is defined as the condition in which the total cholesterol level is less than < 120…

Q: 1. Draw the open-chain form for each of the following monosaccharides. CH OH HOOH НО CH₂OH OH OH он…

A: Monosaccharides Carbohydrates are polyhydroxy aldehydes or ketones. They can be classified as…

Q: How do you compute quantum yield (Φ) and what does the value tell you about the plant?

A: Photosynthesis is a process that converts light energy into chemical energy. A photochemical…

Q: What mechanism of RNA regulation is responsible for the two different forms of apolipoprotein B? O…

A: Apolipoprotein B is encoded in humans by APOB gene. It is the primary apolipoprotein of VLDL, LDL…

Q: You are studying a protein, MSPaintase, which you suspect is a trimer composed of three different…

A: In size exclusion chromatography, species gets separated based on their size. The beads with pores ,…

Q: Which of the following shows the structure of aspartic acid at pH 11? a H₂N. ОН ОН b H₂N ОН с H₂N ОН…

A: Aspartic acid (Asp or D); ionic form is known as aspartate, is an α-amino acid that is used for the…

Q: Given the following enzyme-catalyzed reaction, identify the class and subclass of the enzyme…

A: Amino acids are biomolecules that have an amino group, a carboxyl group and a side group that is…

Q: a- Name the figure which shows the Co-translational translocation. A or B b -list the molecules…

A: The protein that are destined for secretion, the membrane proteins and the lysosomal proteins are…

Q: For the mutation of the enzyme below, describe the effect it will have on carbohydrate metabolism.…

A: Fructose 2,6-bisphosphate is an allosteric activator of the enzyme Phosphofructokinase-1 (PFK-1) ,…

Q: A PCR reaction was performed to amplify the XULA3 gene, which is bp 882-5,364 on a plasmid that is…

A: The Polymerase chain reaction is a laboratory technique that is used to make multiple copies of a…

Q: Qno1 In flourences why quenching occurred? Solve it steps by steps.  Notes: Reasons explanation…

A: Spectroscopy is the analytical method. Spectroscopy is the study of the absorption and emission of…

Q: 1. Calculate the initial velocity (Vo) of a Michaelis-Menten reaction as a fraction of Vmax when [S]…

A: For a one-substrate enzyme-catalyzed reaction, the Michaelis-Menton equation shows the quantitative…

Q: Which is most negative at a pH of 7 Tyr-Lys-Met Gly-Pro-Ara Asp-Trp-tvr V Asp-His-Glu Leu-Val-Phe…

A: Amino acid sequences are written with N-terminal amino acid on the left and C-terminal amino acid on…

Q: Determine whether each of the statements describes amyloid beta (AB) in Alzheimer's disease (AD),…

A: A protein's biological function depends on its three-dimensional structure. The 3D structure is…

Q: The amount of ATP that glycerol can produce is O less than 50% one glucase unit O 50% of one glucase…

A: Simple fat or triglycerides are fatty acid esters of glycerol. Glycerol is naturally occurring…

Q: How can RNA sequencing (RNA-Seq) and Mirccorays in Transcriptome analysis find disease genes? Please…

A: Researchers can describe the transcriptional activity (coding and non-coding), concentrate on a…

Q: 9. The NUDT18 protein was purified by affinity chromatography (Hiss tagged) followed by gel…

A: Affinity chromatography is a method of separating a biomolecule from a mixture, based on its ability…

Q: *The enzyme glucose oxidase isolated from the mold Penicillium notatum catalyzes the oxidation of…

A: Carbohydrates are polyhydroxy aldehydes or ketones. They can be classified as monosaccharides,…

Q: The heme group is a prosthetic group in: OA) Fetal hemoglobin B) Adult hemoglobin C) Myoglobin D) a…

A: Hemoglobin and myoglobin are globular proteins that have the ability to bind molecular oxygen.…

Q: In a Myoglobin and azide ligand-receptor binding experiment, instead of using 3.5 µM myoglobin you…

A: Myoglobin acts as oxygen reserve in the muscle cells. Myoglobin (Mb) has higher affinity towards…

Q: The enzymatic activity of PFK1 is generally measured by set- ting up a coupled enzyme assay system…

A: Glycolysis is the collection of 10 enzymatically catalysed reactions that sequentially oxidises a 1…

Q: Two proteins bind to the same ligand with the following Kd's. Protein 1: 10 μΜ Protein 2: 100 nM…

A: Consider the following reaction:  P + L ⇌k2k1 PL  where P is the protein, L is the ligand and k1 and…

Q: Which of the following is not a denaturing agent for proteins? Addition of heavy metals Addition of…

A: Denaturation modifies the molecular structure of a protein by breaking the weak bonds responsible…

Q: What may be the challenges that you face while trying to isolate a protein? How could you use those…

A: Proteins are polymers of aminoacids. Proteins form the structural and catalytic framework of a cell.…

Q: Yeast cells are grown with galactose as the sole carbon source and ATP levels are abundant. Describe…

A: GAL genes: The GAL genes, which include structural (GAL1, GAL10, GAL2, and GAL7) and regulatory…

Q: Describe the changes that occur in each step of the mechanism.

A: Enzymes are high molecular weight proteins that catalyse biochemical reactions.  Proteases are…

Q: The biexponential equation for a two compartment model drug is C1,t = 50.0e-1.64t + 20.0e-0.147t.…

A: Pharmacokinetics: The study of the kinetics of drugs absorption, distribution, and elimination…

Q: Flippases help maintain membrane asymmetry.  True  False

A: Introduction Plasma membrane is he outer membrane of animal cell. Plasma membrane is composed of…

Q: What term best describes the isomeric relationship between alpha-D- glucopyranose and…

A: Introduction Carbohydrate is one of the biomolecules in our body. It is made up of carbon, hydrogen…

Q: Identify the enzyme/protein involved in replication: multiple choice Addition of short RNA primers…

A: The DNA replication is the process of producing two identical copies of DNA from one original double…

Q: 1) Use the DNA origami model to determine the molecular formula for a base pair unit consisting of…

A: A DNA base pair unit is composed of 2 deoxyribose sugars, 2 phosphates and 2 nitrogen bases. Here…

Q: The structure shown is an example of a type of macromolecule (carbohydrate, lipid, protein, or…

A: The biological macromolecules that constitute a cell are proteins, nucleic acids, lipids and…

Q: Test for Unsaturation.   Reagent’s Composition   Observations: Test Samples Reaction with…

A: Fatty acids are carboxylic acids with a hydrocarbon chain ranging from 4 carbon to 36 carbons. The…

Q: Below is the skeletal formula of a molecule typically found in cell membranes. What type of molecule…

A: The biological membrane that surrounds a living cell is called the cell membrane. The structure of…