Question 23 This molecule is H- OH HO H- HO H- HO- ČH2OH O The enantiomer of glucose O A reducing sugar O A ketose O Glucose
Q: Question 5 In cholesterol, to which ring of the steroid system is the hydroxyl group attached? B A.
A: Cell membrane is made up of lipid bilayer. The composition of different types of lipids has very…
Q: QUESTION 23 During anaerobic glycolysis of glucose, there is a net production, of lactate and O NAD*…
A:
Q: QUESTION 7 It is possible to overcome competitive inhibition by: O a. Increasing the temperature of…
A: Question- It is possible to overcome competitive inhibition by: a.) Increasing the temperature of…
Q: Question 12 There are four elements that make up all amino acids. Two of these are carbon and…
A: Amino acids combine to form proteins. Amino acids and proteins are building blocks of life.
Q: Question 15 Cooking greatly increases the antioxidant lycopene in tomatoes. O True O False
A: Lycopene is an antioxidant found in tomatoes
Q: QUESTION 10 1. Which of the following sugars have B (1-4) glycosidic linkages? (1) The hereto…
A: β-1,4 glycosidic bond is formed by formation of covalent bonding of oxygen to the C1 of one glucose…
Q: QUESTION 7 The monosaccharides shown below are H. HO H -HO- HO H H- HO H но HO- HO- CH,OH CH,OH O…
A: Isomers are molecules with the same molecular formula, but different arrangement of atoms. Isomers…
Q: QUESTION 9 The foundation molecule for the glycerophospholipids is: Oa. 1,2-diacylglycerol…
A: Since you have posted multiple questions, we will solve the first question for you. If you want any…
Q: QUESTION 2 In the cyclic form, the compound produced by oxidation of an aldose is a hemiacetal. a…
A: The cyclic form of an aldose sugar is called hemiacetal. Examples of cyclic aldose sugars are…
Q: QUESTION 29 The interaction of two or more polypeptide chains in a hemoglobin molecule is its O a.…
A: Hemoglobin consists of 4 polypeptide chain. two alpha chains of 141 amino acid residues each and two…
Q: QUESTION 68 Catabolism and anabolism are major types of metabolic activity. O True False
A: INTRODUCTION Catabolism Catabolism is the breaking down process of tissues and energy stored in the…
Q: Question 18 "ces AB → A + B is a general notation for a(n) reaction. Exergonic Exchange Endergonic…
A: Chemical reaction, a mechanism in which one or more substances, the reactants, are transformed into…
Q: QUESTION 63 The reaction catalyzed by UDP-glucose pyrophosphorylase, UTP + glucose-1-phosphate…
A: Option A) -19.3Kj mol-1 is the correct answer.
Q: Question 14 ODD MAN OUT. Which of the following is not related to the other choices below? sugar…
A: "Cells" communicate via their own chemical signaling system. Different chemicals, such as hormones…
Q: QUESTION 5 Enzymes reduce entropy of their substrates in reactions with multiple reactants. This is…
A: The enzyme is a biomolecule, often a protein, that catalyzes a reaction that can be either…
Q: QUESTION 4 In the reaction catalyzed by Triose phosphate isomerase, formation of the enediol…
A: The enzyme is dimeric with a molecular weight of approximately 54kD. It mainly catalyzes the…
Q: QUESTION 51 3. The overall net reaction for the B-oxidation of Palmitic acid is as follow: Palmitoyl…
A: Palmitic acid : 16-C acid Beta-oxidation: For acid with n carbons (n/2)-1 rounds of the…
Q: Question 29 Kappa- and lota- carrageenans contain 3,6-anhydro-a-D-galactopyranosyl residues. True O…
A: Introduction Carrageenan is used in food additives to thicken the food. Kappa carrageenan Found in…
Q: Question 3. Dihydrofolate reductase (DHFR) is capable of making one carbon moieties of various…
A: Methotrexate functions as a pseudosubstrate for the enzyme dehydro folate reductase ( DHFR). This is…
Q: QUESTION 19 The tripeptide glycylarginylglutamate contains four ionizable groups with pKas of 2.1,…
A: A tripeptide is a chain of three amino acids, which contain an amino group (–NH2) and a carboxyl…
Q: Question 25 Glucose can be metabolized to make ATP. In which pathway i) would the most total amount…
A: Electron Transport chain: The electron transport chain (ETC; respiratory chain) is a collection of…
Q: Question 19 N-glycosyltransferase attaches which sugar to the base oligosaccharide to synthesize the…
A: Antigen are present on the membrane of red blood cells. The presence of antigen determines the blood…
Q: Question 14 We can measure the rate of reaction for some dehydrogenases by measunng changes in the…
A: When light passes through a sample solution, it is absorbed by the sample and measured by a…
Q: QUESTION 21 Malonyl Co A: O a. Produced during the elongation of fatty acid degradation Ob.A key…
A: Metabolic pathways play an important role in cellular metabolism. Metabolic pathways are comprised…
Q: QUESTION 26 HDL and LDL are lipoproteins that contain different amounts of lipids relative to…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Question 20 due to: The optical activity of oses is A| No answer is right B The carbonyl function C…
A: Oses are carbohydrates which are simply polyhydroxy alcohols or polyhydroxy ketones. Oses are…
Q: Question 2. An enzyme was found to convert Acetyl-coA to an acetyl-cysteine intermediate of the…
A: •Acetyl-CoA is formed when oxidative decarboxylation of pyruvate takes place from glycolysis. •The…
Q: QUESTION 4 Depolymerization of disaccharides into two monosaccharides involves alan reaction.…
A: Disaccharides are the Carbohydrates that are made up of two monosacharide units joined together by…
Q: QUESTION 1 Number of reducing end(s) in sucrose (structure shown below) is/are CH2OH H H. он носн,…
A: Reducing sugars are molecules with a free aldehyde or free keto group. Due to the presence of a free…
Q: Question 28 All of the following foods are great sources of fiber, EXCEPT: O broccoli O whole wheat…
A: Fiber (roughage) is plant based foods items that is passed by the body undigested without breaking…
Q: Question 10 The reaction in which a disaccharide is broken down into its component monosaccharides…
A: When two monosaccharides are joined together with the help of glycosidic linkage then the formation…
Q: Question 27 Observe this disaccharide and choose the FALSE statement CH2OH -O. H CH2OH H. H. H. H.…
A: Asked : False statement regarding the shown disaccharide.
Q: QUESTION 27 Consider figure below with three sugar units A, B, and C CH2OH но H. но сна HOCH2 OH но…
A: Three sugar units A, B and C are given in the figure
Q: QUESTION 18 Which of the following reactions is energetically favorable? O The formation of peptide…
A: As per the guidelines we are supposed to answer only the first question in case of multiple question…
Q: QUESTION 21 21. Acid hydrolysis of esters produces and
A: In acid, hydrolysis water is involved in the cleavage of a chemical bond of ester.
Q: Question 25 This molecule `NH A can form 3 hydrogen bonds in base pairing B is found in DNA only…
A: The genetic material stores information in the form of sequence of nucleotide.
Q: Question 43 Which of the following compounds would be classified as carbohydrates? CH 2OH H. CH2OH…
A: Asked : Out of given structure, the one which classifies as carbohydrates are asked.
Q: QUESTION 6 COO 21 CH₂ 31 CH-COO 21 HO-C-H 31 COO- Isocitrate AG= -8.4kJ/mol AG'= -17kJ/mol NAD NADH…
A: Isocitrate dehydrogenase is an enzyme involved in the TCA cycle. The TCA cycle occurs in the…
Q: Question 26 Among the following compounds, only one has no reducing power: A The function related to…
A: The reducing sugars are those that can act as a reducing agent due to the presence of free aldehyde…
Q: QUESTION 11 Coupling occurs when the energy released by an exergonic reaction is O A. used to drive…
A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…
Q: Question #3 Complex III (cytochrome bc₁ complex) in the electron transport chain transfers electrons…
A: Hi! Thank you for the question. We are authorized to answer one question at a time, since you have…
Q: Question 16 Cleavage of Fructose 1, 6-biophosphate yields O A. Only an aldose Two aldoses OB. O.…
A: The cellular respiration involves breakdown of glucose that ultimately responsible for the…
Q: QUESTION 9 Allosteric enzymes: are regulated primarily by covalent modification. usually catalyze…
A: An enzyme is a biocatalyst that increase the rate of chemical reaction without itself being changed…
Q: Question 21 Among the following families of compounds, only one is never cyclic: A Aldohexoses B…
A: Sugars with 3 carbons called triose, with 4 carbons tetrose, with 5 carbons pentose and 6 carbons…
Q: QUESTION 8 The Bohr effect refers to the decrease in affinity of Hb for 02 when the pH goes up. the…
A: Bohr effect increases the carbon dioxide levels which lowers the blood pH which results in affecting…
Q: Question 34 The biosynthesis of amino acids can only be carried out by O nitrogen-fixing bacteria
A: Introduction The amino acids building material of proteins. Proteins and amino acids are the…
Q: Question 30 Tiglycerids: A All the above statements are wrong. B Do constitute oils and fats; C Are…
A: A fatty substance is an ester derived from glycerol and three unsaturated fats. Fatty oils are the…
Q: QUESTION 18 Stable molecules that resemble the transition state of enzyme catalyzed reactions are…
A: These are the transition state analog.
Q: QUESTION 17 When two carbohydrates are epimers: one is a pyranose, the other a furanose. one is an…
A: Epimers are type of stereoisomers.
Q: QUESTION 24 Alcohol dehydrogenase (ADH), catalyzes a reaction where primary alcohol is converted an…
A: Based on the catalytic activity of the enzyme they can be classified into 6 classes:…
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- Question 12 Carbohydrates that appear in glycosylated proteins and lipids in the GA include I. N-Acetylglucosamine II. fucose III. mannose IV. galactose I, II, IV only I, II, III only II, III, IV only I, II, III, IVQUESTION 16 Peptidyl transferase activity (peptide bond enzyme activity) is associated with what site in the ribosome? E P A XQuestion 56 You (a healthy individual) are swimming underwater when you can no longer resist the urge to breathe. This overwhelming urg probably due to O the autorhymthic cells in your diaphragm contracting O the decrease in O 2 available to the cells of the body. O the increase in plasma H *. O the increase in pH has made your blood dangerously alkaline. 1.67
- Question 37 Locard’s exchange principle states that, whenever two objects come into contact with one another, there is exchange of materials between them. a. True b. FalseQUESTION NO.1which of the following are chemical characteristics of monosaccharides? A. They contain multiple hydroxyl groupsB. they contain an aldehyde or ketone group C. They contain a branching carbon backbone D. They contain a carbon-carbon double bond E. Every carbon in a monosaccharide is fully reduced F. Every carbon in a monosaccharide is a chiral centerQUESTION NO.2 glucose absorption is hindered by _________ deficiency A. Retinol B. Thiamine C. Potassium D. Sodium E. Ascorbic acid F. Calciferol QUESTION NO.3 phospholipids is made primarily from A. L-glycerol 1-phosphate B. L-glycerol 3-phosphate C. D-glycerol 3-phosphate D. -glycerol 1-phosphate E. sn-glycerol 1-phosphate F. sn-glycerol 3-phosphateQuestion 34 A Nurse Practitioner is providing patient education to a 50-year-old woman who is taking methotrexate (MTX) for breast cancer. The nurse will instruct the patient to avoid which of the following drugs? Acetaminophen Salicylates Furosemide Digoxin
- question 38 The constant region of each heavy chain determines the class of the heavy chain. True FalseQuestion 15 general , the mouse receiving the PTU in his / her food: 1. consumed more oxygen at all temperatures 2. ate more than the control mouse 3. consumed less oxygen at all temperatures 4. produced more oxygen at all temperaturesQuestion 10. All of the following areparts of a nucleotide EXCEPT:A. a five-carbon sugar.B. a six-carbon sugar.C. a phosphate group.D. a nitrogenous base.
- Question 8 The barrel of a shotgun: a has lands and grooves b is smooth without grooves and lands c has two barrels d is narrower at the end to concentrate shot e is engraved with grooves but not landsQUESTION NO. 1Statements: (1) Glucose is both a hexose and a aldose. (2) There can never be more than three enantiomers for a molecule. (3) All common disaccharides have beta-one-four linkages. Which statements are true?QUESTION NO.2 Erythrocyte glucose transporter illustrates the type of A. ion driven active transport B. facilitated diffusion C. active transport D. simple diffusion E. secondary active transportQUESTION NO.3 which of the following statement/s accurately describe the surface of a lipid droplet? A. a monolayer of phospholipids B. a bilayer of phospholipid C. a network of perilipin protein D. a structured layer of triacylglycerol E. a chaotic hydrophobic/ hydrophilic interfaceQUESTION 23 When using composting piles, it is important to _____. a. avoid adding food products or similar items b. dispose of the compost on a regular basis c. avoid adding weeds and other plants d. mix or rotate them and avoid adding hazardous materials e. fertilize the compost pile