Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Express your answer briefly, not more than 30 words. Express your answer in your own words.
- What is the
metabolic basis for the observation that many adults cannot ingest large quantities of milk without developing gastric difficulties? - No animal can digest cellulose. Reconcile this statement with the fact that many animals are herbivores that depend heavily on cellulose as a food source.
- Some athletes eat diets high in carbohydrates before an event. Suggest a biochemical basis for this practice.
- Briefly indicate the role of glycoproteins as antigenic determinants for blood groups.
- Advertisements for a food supplement to be taken by athletes claimed that the energy bars contained the two best precursors of glycogen. What were they?
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- True or False. Write true if the statement is correct and false if the statement isnot true.__________ 1. Lactose or milk sugar is made up of galactose and maltose that needs the enzyme lactasepresent in the body to break the bonds between two monosaccharides and ready to be digested.arrow_forwardExplore the difference etween amylopectin and glycogen. Be sure to highlight what structural modifications in the molecules as it relates to their localization in different organisms (structure-function relationship).arrow_forwardTRUE OR FALSE: Please answer each item. Hormones, such as testosterone, estradiol and progesterone are examples of steroidal lipids synthesized from cholesterol, which serve as precursor. Chain Shortening of monosaccharides can be done in the laboratory thru Kiliani-Fischer reaction. Glycerophospholipids are the most abundant lipids in cellular membranes and are also involved in metabolism and signaling In delta notation of fatty acid nomenclature, the numbering starts at the α-carbon from the carboxylic acid end. Chain elongation of monosaccharides can be done in the laboratory thru Ruff reaction.arrow_forward
- Describe with detail the chemical reactions of 5 proteins that are involved in human metabolic disorders. Explain in detail the interaction mechanisms with their corresponding substrates, their reaction mechanisms, and chemical regulations.arrow_forwardMultiple Choice. Sources of chemical potential energy in the body include: Select One or More a. Carbohydrate b. Protein c. Fat d. CO2 e. Oxygenarrow_forwardIn a fatty acid, the shorter the carbon chain, the more solid the fatty acid becomes. True Falsearrow_forward
- Give Detailed Solution with explanation...(no need Handwritten)arrow_forwardSelect all that apply. What are the functions of ATP?arrow_forward- Lactose is a sugar found in milk and other dairy products. Explain how it is broken down in most individuals. Explain lactose “intolerance” - Explain, with the use of a diagram how soap molecules work to clean “dirt” particles.arrow_forward
- 45arrow_forwardFill in the blanks. Write your answer as a range of calories. For example, if the answer is 400-700, write the answer exactly as 400-700. Don't add any spaces or extra characters. If your estimated energy requirements are 2000 kcal per day, you should be getting 900-1300 kcal/day from carbohydrates, 200-700 kcal/day from fat. kcal/day from protein, and 100-120arrow_forwardatoms. 12 hydrogens, 6 oxuger Click or tap here to enter text.C atoms. 12) Back to the person who ate 300 grams of glucose, how many moles of glucose is this? Click or tap here to enter text. There are 2 moles. 13) If a person were to eat this much glucose all at once (that is a lot of sugar) and all this sugar enters the blood then the person's blood sugar concentration would rise. Imagine that all this glucose is released into the 5 liters of blood that circulate in this person. What would be the molarity of glucose in the blood? Click or tap here to enter text. 14) After each of these glucose molecules enter the blood they are uptaken through cell membranes to enter cells. Within these cells glucose is broken down in a series of steps releasing carbon dioxide along the way. For every molecule of glucose broken down how many molecules of carbon dioxide are created? Refer to the cellular respiration equation: Equation for Cellular Respiration: How to break down a carb C6H12O6 + 60₂ ➜…arrow_forward
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