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- Ammonium ions (NH4+) are always produced during intracellular digestion of which food molecule? carbohydrate fatty acid glycerol amino acid polysaccharide The glycolytic enzyme pyruvate kinase catalyzes the conversion of: 1,3-bisphosphoglycerate into 3-phosphoglycerate (producing ATP) glyceraldehyde-3-phosphate into 1,3-bisphosphoglycerate (producing NADH) phosphoenolpyruvate into pyruvate (producing ATP) fructose-6-phosphate into fructose-1,6-bisphosphate (consuming ATP) glucose into glucose-6-phosphate (consuming ATP)Pancreatic lipase is necessary to break down fats in the body. It requires a protein, prolipase, to reach its peak enzymatic activity. Which of the following statements is MOST correct? Prolipase is a coenzyme. Prolipase is a prosthetic group. Prolipase is a vitamin. Pancreatic lipase is an apoenzyme.Introduction to Experiment 1: Starch Digestion by Amylase In this experiment, we will look for evidence of starch digestion by testing solutions for the presence of starch and sugars. When starch s present the lodine in Lugols solution turns the solution black, blue, or dark beown If starch is not present, lodine will dye the solution a yellow color. Benedict's reagent reacts with freducing sugars, Includinggucose, resulting in a green, orange, or red color. If sugars are not present, Benedict s reagent remains a light blue color. 1. What is/are the end product(s) of starch digestion? 2. What is the name of the enzyme that digests starch (amylose)? Hypotheses Predictions (See Methods section for details) 1. When mixed with Lugols solution, test tube Al (amylase only) will have what color and why? 2. When mixed with Benedict's solution, test tube Al (amylase only) will have what color and why? 3. When mixed with Lugols solution, test tube A2 (starch only) will have what color and why?…
- Arrange the following pathways in order of their occurrence as source of energy for the body during fasting and starvation: 1. glycogenolysis 2. lipid catabolism 3. gluconeogenesis 4. ketogenesisWhich of the following substances derived from lipid catabolism serves as a precursor for glucose synthesis: acetoacetyl CoA acetone palmitate acetate O glycerolWhich of the following is an inhibitor of gluconeogenesis? citrate O ADP O acetyl COA ATP
- In the pathway below, which of the compounds leads directly into gluconeogenesis? CAS C-Co0 HO a -C- 0007 HO-C-C00 COA b C00 HC- COO HC COO O O O OOWhich of the following processes is dependent on the activity of pentose phosphate shunt? Gluconeogenesis Glycogen Synthesis All of these options are true Fatty Acid SynthesisDiscuss the major metabolic pathways of carbohydrate including the rate limiting steps and enzymes how many ATPs are produced and in which steps
- Arrange the following pathways in order of their occurrence as source of energy for the body during fasting and starvation: lipid catabolism, gluconeogenesis, ketogenesis, glycogenolysisA diagram of the reactions of the first round of fatty acid synthesis (lipogenesis) is shown. How many cycles of the synthesis pathway are needed to produce lauric acid, C11H23COOH? || CH3 C S KSO-C-CH₂-C-SACP acetyl-ACP malonyl-ACP CO₂ || CH3 C-CH₂-C-SACP || NADPH + H+ NADP+ OH 요 CH3 CH-CH₂-C-SACP d ord H₂O CH3CH=CH-C-SACP d NADPH + H+ NADP+ CH3CH₂CH2 C-SACP number of cycles:One example of a stage 3 reaction in the heterotrophic breakdown of food molecules is: the intramitochondrial digestion of fatty acids into carbon dioxide and water the intracellular digestion of glucose monomers into pyruvate the intracellular digestion of some amino acids into NH4+ and pyruvate the extracellular digestion of polypeptides into amino acids the extracellular digestion of triglycerides into fatty acids and glycerol
