5. Arrange the following fatty acids in order from lowest melting point to highest: myristic acid, arachidonic acid, linolenic acid, stearic acid, oleic acid. What do the highest have in common? What do the lowest have in common?
Q: The purpose of the progress curve is to determine if an enzymatic reaction rate remains constant for…
A: Progress curve is the measure of enzymatic velocity in a reaction. Velocity is given by the rate of…
Q: Hexokinase is kinase that catalyzes the phosphorylation of glucose by ATP to glucose-6-P, which can…
A: Kinases are enzymes, which adds phosphates to molecules like sugars and proteins. Hexokinase…
Q: Please explain this table (just the endothelial cell density)
A: Endothelial cells are a single layer of cells that lines all the blood vessels, lymph cells,…
Q: Glucose and fructose are both C6H12O6. What is the structural difference between them? Glucose is a…
A: carbohydrates are carbon molecules which undergo oxidation to yield energy. Carbohydrates are…
Q: 5. Matching Type Match Column A with Column B. Write your answer on the space provided. CAPITAL…
A: All living things go through the necessary process of respiration, which involves using oxygen and…
Q: Provide the correct three-letter abbreviation for the following amino acid: H3N-CH-C- I CH3
A: The proteins are constituted of twenty naturally occurring amino acid that are connected by peptide…
Q: 2.5 2 1.5 1 0.5 0 Mike has determined that enzyme he is attempting to purify has an isoelectric…
A: The isoelectric point (pI) of a protein is a pH at which the net charge of the protein is zero. That…
Q: How many NET molecules of ATP are produced during the Embden-Meyerhof pathway of glycolysis for…
A: Cellular respiration is the process how biochemical energy is generated from food. It involves the…
Q: Mechanism of action of electron transport inhibitors. Antimycin A.
A: ETC consist of four protein complexes called Complex I, II, III and IV that transport electron…
Q: Elongation of fatty acids chains beyond 16 carbons takes place: on the membrane of the endoplasmic…
A: Acetyl CoA from glucose oxidation or other anaplerotic reactions is produced in mitochondria and…
Q: The eukaryotic mature mRNA sequence will be translated into a polypeptide that is _____ amino acids…
A: The flow of genetic information from DNA to RNA, RNA to protein synthesis is called central dogma.…
Q: [1-14C] Ribose 5-phosphate is incubated with a mixture of purified transketolase, transaldolase,…
A: The pentose phosphate pathway consists of 2 phases; Oxidative and Non-oxidative phase. In the…
Q: 2. The mechanism of HMG-CoA reducatse enzyme activity involves several stages. For the catalytic…
A: For a one-substrate enzyme-catalyzed reaction, the Michaelis-Menton equation shows the quantitative…
Q: Calculate and draw the isoelectric point of the tetrapeptide Ser-Leu-Phe-Pro at pH 7.0. hand written…
A: Isoelectric point is the pH at which the positive and negative charges are equal, i.e., the net…
Q: Identify: for nos. 1-5: Name of the missing metabolite in the pathway 6-10: Enzyme that catalyzed…
A: Since you have posted multiple questions, we will provide the solution only to the first five…
Q: Write the reaction equation for the formation of sucrose, indicate the bonds that connect the in the…
A: Monosaccharides are smallest or basic subunit of carbohydrates by which disaccharides,…
Q: -. Succinate dehydrogenase contains iron-sulfur centers in which irons are complexed with cysteine…
A: Succinate dehydrogenase have three 2Fe-2S centers. The 'Fe' here is complexed with the sulfur atom…
Q: How and where are ALT (alanine aminotransferase) and pancreatic amylase produced? What biochemical…
A: Alanine aminotransferase is an enzyme which is also called as serum glutamic pyruvic transaminase.(…
Q: Regarding energy metabolism, the used an equal mix of carbohydrates and fat. a. VT3 b. VT2 C. VT1 d.…
A: Our body needs to burn fuels, to acquire the energy needed to do work. The major respiratory fuels…
Q: Which of the following is true of the molecule below?
A: DNA/RNA are nucleic acids, the molecules responsible for carrying genetic information from one…
Q: There is a proposal that pyrazole could protect against the damaging effects of alcohol on the liver…
A: Alcohol toxicity happens due to excess consumption of alcohol in short period of time. Oxidative…
Q: in triacylglycerol mobilization, triacylglycerol molecules is activated by: phosphorylation…
A: Triacylglycerol are esters of fatty acid and glycerol. Triacylglycerol, as the name indicates,…
Q: You run an SDS-PAGE gel on some purified protein samples against a protein ladder as marked. kDa 225…
A: SDS PAGE is an electrophoretic technique, which is used to separate proteins based on their size.…
Q: Which of the following is a structure of a sugar alcohol? Н I I H O CAB O CAR O CAP COOH OH нон CAT…
A: Sugar alcohols are formed when the aldehyde or keto group of the monosaccharide is treated with a…
Q: a) What is the overall function of pyruvate carboxylase? b) Describe the role of each of the four…
A: (a) A metabolic enzyme called pyruvate carboxylase takes part in the first stage of gluconeogenesis.…
Q: Which of the following first messengers is hydrophobic and binds to a nuclear receptor protein…
A: The first messengers are extracellular biomolecules that bind to the cellular receptor and elicit a…
Q: Show the chemical equations of the following lipid tests: (1) acrolein test, (2) saponification, (3)…
A: lipids when hydrolyzed with sodium or potassium hydroxide in aqueous or alcoholic environment,…
Q: Upon doing the experiment in Protein Denaturation, what could happen in the precipitation of heat…
A: Protein solubility is determined by the proportion & distribution of polar hydrophilic and…
Q: Which of the following tests is used to differentiate between pancreatic insufficiency and…
A: Reduced nutrition absorption can be brought on by issues with mucosal transport or with intraluminal…
Q: Below is a Michaelis-Menten plot for a wild-type (WT) and mutant (V105A) enzyme isolated from the…
A: The best way to find out the Vmax and Km values are by plotting the Lineweaver Burk Plot (LB Plot).…
Q: Substances like phencyclidine (PCP, or "angel dust") and ketamine ("Special K") are characterized…
A: INTRODUCTION : Phencyclidine : It is a synthetic drug, which is a compound being derived from…
Q: How can you decrease (or stop) the rate of binding for a noncompetitive inhibitor? Could you change…
A: Non-competitive inhibitors are reversible inhibitors that binds to a site on the enzyme other than…
Q: Using the restriction site for SalI, suggest another restriction enzyme that would cut at the same…
A: Isoschizomers are a set of enzymes that share the same recognition site in the restriction digestion…
Q: Fill out the last column of this table: Component 1X concentration 20X (Provide unit)
A: The dilution factor tells us how much of the original stock solution is present in the final…
Q: The purpose of DNA gyrase in replication is: to relieve positive supercoiling induced by unwinding…
A: Introduction: The process of DNA replication involves the production of an exact copy of genetic…
Q: Biochemistry: List structural features of myoglobin and hemoglobin. State how each structural…
A: Introduction: Hemoglobin (Hb) and myoglobin (Mb) are hemeproteins that crystallized first in the…
Q: All enzymes of the citric acid cycle are located in the mitochondrial matrix, except succinate…
A: Cellular respiration is the process how biochemical energy is generated from food. It involves the…
Q: how GABA balances glutamate to prevent seizures and what is one GABA drug that is used to do that.…
A: Glutamate is a precursor of GABA. The enzyme glutamate decarboxylase catalyzes the decarboxylation…
Q: Cytochrome a is a component of: Complex I Complex II Complex III Complex IV
A: Introduction Electron transport chain consists of series of protein complex that transfers electrons…
Q: True or False: Spectrophotometric assays always track the rate of reaction through a. True b. False…
A: Spectrophotometry is the method that uses light beam to measure the concentration of a chemical or a…
Q: a) Describe the three irreversible reactions of the Citric Acid Cycle. Ensure to indicate their…
A: Krebs cycle or tricarboxylic acid (TCA) cycle in aerobic organisms is the final stage of catabolism…
Q: 4. Shown below is the structure of the anti-retroviral drug AZT. 5' HOCH, H 3 N₂ HN AZT H 12 H CH₂…
A: AZT is a drug that is used to treat HIV. HIV is a retro virus that causes the syndrome AIDS. When…
Q: The pentose phosphate pathway occurs in the mitochondrion of tissues actively engaged in synthesis…
A: Fatty acids are carboxylic acids with a hydrocarbon chain ranging from 4 carbon to 36 carbons. The…
Q: 1 ).Which of the following accurately describes substrate specificity for serine proteases? A.The…
A: Amino acids are biomolecules that have an amino group, a carboxyl group and a side group attached to…
Q: Which of the following is arranged from least to most in terms of number of sugar units ?…
A: Chemically carbohydrates are polyhydroxy aldehydes or ketones. They have the general formula :…
Q: Ribose-5-phosphate is produced by oxidative decarboxylation of 6-phosphogluconate using the enzyme…
A: The pentose phosphate pathway also called the hexose monophosphate shunt is an alternative pathway…
Q: Name the enzymes that catalyse (a) substrate-level phosphorylation and (b) coupled reactions during…
A: Cellular respiration is a collection of three metabolic pathways that generate ATP the energy…
Q: In the experimental set up to show that "CO, is given out during respiration", name the substance…
A: Respiration is a metabolic process that all organisms go through. It is a biochemical process that…
Q: EXPLAIN your choices for each of the following: a) The Hb variant least likely to cause…
A: In general, the quaternary structure of any protein is determined by the amino acids present in that…
Q: The sequence of a peptide is given below. YGGFMTSEKSQTPLVTLFKNAIIKNAYKKGE If you perform peptide…
A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
- 1. What is animal oil/fat used for?2. Why are animal fat not used in cooking?3. What is the difference between fats and oils?4. What are essential fatty acids? Give examples.5. What is the implication of inadequate essential fatty acids in a person’s diet?6. Explain the health risks and benefits of saturated, monounsaturated, polyunsaturated fatty acids and trans fat.1. Explain why some natural starches are chemically modified. 2. What is birefringence? What does its presence or absence tell you about the starch? 3. new premium creamy salad dressing contains 70 % fat. How can you test if it is an oil-in-water or water-in-oil emulsion1. Why are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) important? 2. What are the health effects of lipids? 3. What are the benefits derived from omega-3 polyunsaturated fats? 4. Which is better, butter or margarine? Why?
- 1. Describe the physical properties of the isolated gluten. What does it look like (i.e., color, structure)? How does it feel like (i.e., texture)? Color Structure Texture 2. What is the purpose of kneading? 3. What is the test for the presence of starch? 4. What proteins comprise gluten? 5. What makes dough elastic and firm?1. Using the amino acids glyceric acid and aspartic acid show how a peptide bond is formed showing the stearic hinderance. 2. Outline 2 biological uses for lipids. make sure to explain them 3. See the picture attached8. Which of the following fatty acids is an essential omega-3-fatty acids? * 11 14 17 9 10 1213 15 16 18 3 omega Option 1 Он 12 CH3 O Option 2
- 1. Melting point: what happens when the carbon chain length of fatty acids become shorter? increased melting point decrease melting point no change 2. Why do lipids with long chain fatty acids have lower saponification value? they are linear in structure, thus it is difficult to saponify they have lower number of carboxyl group per 1 gram of sample they require less amount of KOH during titration they require less HCL during back titration 3. Halogenation depends on which concept? presence of double bond in the glycerol portion presence of double bond in the fatty acid portion presence of carboxylic acid groups reactivity of potassium ions1. draw the structures (linear and cyclical) of the common carbohydrates. 2. draw the structure of the DNA/RNA nucleotides 3.write the averages for UV absorption for both nucleus acids and proteins 4. write the difference between nucleotide and nucleoside1. Name the process by which rice can become porridge or congee. Give details of the process in relation to the example. 2.(a) What is the name of the fat after hydrogenation? Draw a hydrogenated fatty acid. (Please include the atoms involved in the molecule) 2.(b) Give an example of hydrogenated fats from vegetable oil. How are these fats harmful to our health? 4. Briefly describe the digestion of this form of carbohydrate described in (iv) in mouth and small intestine before absorption. 6. Part Stomach secretes a chemical that makes it to have a low pH. Name this chemical and give TWO functions of this chemical. 6.e One structural feature in F facilitates absorption of nutrients. Name this structure.
- 5. Which compound is NOT a substrate or product of lipin? 1.diacylglycerol 2.phosphatidic acid 3.water 4.lysophosphatidic acid 5.inorganic phosphate1.After a meal, most dietary fat is transported to the bloodstream in particles known as -chylomicrons -high-density lipoproteins - low density lipoproteins -very-low-density lipoprotein 2.All of the following statements about linolenic acid are correct EXCEPT: -It is found in a wide variety of -foods. It is 18 carbons in length. -It is an omega-3 fatty acid. -It is essential. 3.Triglycerides perform which of the following functions in the body? -All answers are correct Provide -energy Insulation -Shock absorption 4.Which of the following is a benefit of consuming omega-3 fatty acids? -They may play a role in the prevention and treatment of heart disease. -They may decrease the risk of constipation. -Omega-3 fatty acids have less kcalories than saturated fats. -All of the answers are benefits of omega-3 fatty acids. 5.Which of the following is true about the digestion and absorption of protein? -Amino acids travel to the liver via -the portal vein. Protein digestion begins in the…1. A topping for ice cream contains fructose, hydrogenated soybean oil, salt, and cellulose. What types of chemicals are in it? Rank them from the healthiest/most nutritious to the least and explain your reasoning.