Say cholesterol were synthesized using acetate labeled with C15 at Carbon 1. What percentage of the cholesterol carbons would be C15? O 100% O 0% O 75% O 25% O 50%

Q: For each of the structures listed below identify the class of lipids to which it belongs (fatty acid…

A: Lipids are biomolecules that do not have a fixed chemical structure like carbohydrates or amino…

Q: ОН НО HO- OH НО НО- OH OH ОН НО What are the glycosidic linkages in this structure?

A: Glucosidic bond is tge one involved between two rings of a single oligosaccharide. It is a typical…

Q: nzyme - Acid Phosphatase Substrate - Para-nitrophenylphosphate Product - para-nitrophenol and…

A: Phosphatases are enzymes that catalyse the removal of the phosphate group from substrates.…

Q: A point mutation in Hb diminishes hydrophobicity at the heme. Which of the following impacts would…

A: Hb hemoglobin carries O2 in the blood during the gaseous exchange.

Q: Which among these enzymes can be regulated to control the metabolic flux? (hint: identify…

A: In a multistep reaction which includes both the reversible and irreversible, the primary target for…

Q: For nucleophilic attack on a carbonyl in the substrate, an enzyme uses the deprotonated thiolate of…

A: The enzymes have an active site to which the substrate binds. The amino acid sequence at the active…

Q: Which of the following statements is true In ABO blood typing, lack of glycosyltransferase and…

A: ABO blood typing is carried out to determine the blood group of an individual. It is based on the…

Q: The image below shows ubiquinone. Shaded in yellow is the isoprenoid side chain, which remains…

A: Ubiquinone is present in the mitochondria of all eukaryotic molecules. this molecule is fat-soluble…

Q: Choose the correct properties for the given fatty acid: 0 can participate in esterification…

A: Fatty acids are important micromolecules which combine together to form lipids in plants, animals…

Q: Which of the following statements concerning D-glucose in INCORRECT? O a. It is a monosaccharide. O…

A: Carbohydrates or carbs are maconutrient consisting of Carbon, hydrogen and oxygen atoms. In nature…

Q: The thyroid gland metabolizes iodine, the most common formof which has a molecular weight of 127…

A: In the human body, the iodine metabolism is carried out by the thyroid gland, as they possess…

Q: is the structure glycerophospolipid or sphingophospolipid?

A: ANS: The sphingolipid  are complex lipid that contains an amino group attached with alcohol,…

Q: D- Explain briefly how "isoprene" unit is an essential precursor in the synthetic pathway of…

A: Isoprene unit or 2-methyl-1,3-butadiene is a common organic compound. it is an unsaturated…

Q: Draw amylose and cellulose. Explain the differences Can we digest both molecules? Why or Why not?

A: Both Amylose and Cellulose are polysaccharides containing glucose residues.

Q: Phospholipds are NOT completely hydrophilic because of The fatty acid tails The phosphate head The…

A: Ans : Fatty Acid Tails  Explanation : Phospholipid Layer Consists Of Two Parts. 1. Hydrophilic Part…

Q: In contrast to phospholipids, the transport of fatty acids across membranesis much more rapid (less…

A: The cell membrane is comprised of a phospholipid (Bilipid) layer, which acts as a selective membrane…

Q: In sickle cell anemia, hemoglobin forms long fibers as a result of Burying of non-polar amino acids…

A: Sickle cell anemia is a hereditary blood disorder characterized by the abnormal shape of red blood…

Q: Starting from glutamine, glycine, aspartate, N 10-formyi-THF, how many ATP- equivalents are required…

A: The objective of the question is to determine the number of ATP-equivalents required for purine…

Q: can you draw Glycerol + Valeric acid → Triglyceride + Water like the image doown below

A: Q.Explanation:- Glycerol:- Glycerol is a three-carbon molecule, which is the basic unit to form a…

Q: H НО С CH₂OH I 5C 0-I H ОН | H -0, Н I-о- 2С ОН a-glucose 1C H ОН

A: If the OH group is placed below the ring on the anomeric carbon or first carbon of the cyclic ring…

Q: The function of glycogen in the body is long-term energy storage. Explain in detail how the…

A: Glycogen is a polysaccharide that serves as a form of stored energy in animals as well as fungi.…

Q: ATP

A: a. To determine the number of ATP molecules that would result from the complete conversion of energy…

Q: Which step in lipid metabolism would you expect to be affected by 3,4-dihydroxybutyl-1-phosphonic…

A: Lipid metabolism is the synthesis and degradation of lipids in cells, involving the breakdown or…

Q: biochemistry acid phospatases are an  important group of enzymes that can be detected in human…

A: Given that, acid phosphatases are an important group of enzymes that can be detected in human blood…

Q: Name the functional group present in fructose molecule and kink to water solubility of this sugar.…

A: Sugars come in a variety of forms, some of which are more popular than others. Fructose, like…

Q: Given the statements identify which are correct or incorrect

A: Multiple subparts asked. I will answer the first 3 subparts; following guidelines. Ketose -…

Q: Match each of the following aspects of triacylglycerols (TAGs) with the main structural feature…

A: There are four classes of biological macromolecules - they are nucleic acid, proteins, lipids and…

Q: CH3-(CH2)127 -CH=CH-CH-OH 28. What type of lipid is shown here? CH3 ČH-NH- -C-(CH2)12-CH3 A.…

A: Lipids are amphipathic molecules that mean they contain both polar as well as non-polar groups…

Q: The Nitrogen atom participating in a glycosidic bond in inosinate is donated by O glutamine O…

A: Inosinate or inosine monophosphate is the first product of the de novo pathway for the synthesis of…

Q: Many processed and fast foods contain trans fatty acids. Explain why these molecules are a problem…

A: Commercial products such as frozen pizza, doughnuts, french fries, etc., contain trans fats or trans…

Q: Arsenate can mimic inorganic phosphate in enzyme reactions. Which step in glycoylsis has the…

A: Glycolysis is the breakdown of glucose into pyruvate or lactate with production of energy.…

Q: In a national training center an athlete runs 800 m. Afterward, a blood sample is taken and…

A: During running , 1st  2 - 4 Seconds  are fueled  by ATP stored in the muscle. Afterwards , creatine…

Q: During our experiment, Sucrose tested positive for Benedict's Test. Benedict's test us actually a…

A: There are four classes of biological macromolecules- nucleic acid, proteins, lipids and…

Q: Explain the different steps for conversion of squalene to cholesterol consists ?

A: Cholesterol is a wax like substance and is a sterol. Cholesterol is synthesized inside the cell as…

Q: Draw one triacylglycerol with tails of fatty acids derived from the following three fatty acids:…

A: There are four classes of biological macromolecules; nucleic acid, proteins, lipids and…

Q: "CO, was bubbled through a suspension of liver cells that was undergoing gluconeogenesis from…

A: In the liver, glucose is formed by gluconeogenesis from lactate. The lactate is converted to…

Q: How would the absence of 5-phosphomevalonate impact cholesterol and isoprenoid synthesis?

A: The mevalonate pathway is an essential metabolic pathway that produces two five-carbon building…

Q: 1. Draw the products that would be produced from phospholipase C cleavage of a glycerophospholipid…

A: Phospholipases are lipolytic enzymes that hydrolyze phospholipids at specific ester bonds. They are…

Q: In a fatty acid, the shorter the carbon chain, the more solid the fatty acid becomes. True False

A: Fatty acids are biomolecules, which consist of a carboxylic group with a lin aliphatic chain. Fatty…

Q: Why do animals in cold climates have more unsaturated fatty acids? Explain in detail.

A: The fatty acids formed by the dehydrogenation of the saturated fatty acids in several organisms are…

Q: SH CH2 CH2 NH H CH, This structure plays an important role in the s- C-CH,-CH-N-C-c-c-CH2 -0- ö o…

A: During the process of biosynthesis of fatty acid, the activated intermediates of fatty acid are…

Q: draw the products formed when triacylglycerol is treated with: a. H2O, H+

A: Triacyl Glycerol is a complex compound formed when fatty acids esterified to Glycerol at three…

Q: Which of the following statements is true O Sphingomyelin posses phosphoryl serine in addition to…

A: Fatty acids are the building blocks of the fat in our bodies. The process of digestion breaks down…

Q: these lipids are soluble with dichloromethane? : olive, oleic acid, stearic acid, Lecithin, Vitamin…

A: Lipids are substances that are insoluble in water and soluble in organic solvents such as alcohol…

Q: If the glucose molecule was labeled with 14C at the C-3, which carbon atom in pyruvate would you…

A: Pyruvate is synthesized during glycolytic pathway. Glycolysis converts one molecule of glucose into…