Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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In a state of starvation, several changes happen within our bodies. Discuss these
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- The respiratory quotient (RQ) is the ratio of the Liters of CO2 produced to the Liters of O2 consumed by an individual (CO2 exhaled in liters)/(O2 inhaled in liters). It is used as a measure of basal metabolic rate and can indicate which types of molecules are being used by a person to produce energy. For glucose (C6H12O6), this value is 1 as the equation for the complete oxidation of glucose is: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O For fatty acids that are degraded through beta oxidation and fed into the TCA cycle, the RQ value would be ______ the values for glucose oxidation. Fill in the blank with: a) higher than b) the same as c) lower thanarrow_forwardIf someone is starving, how does a combination of anabolic and catabolic processes keep them alive? Explain in detail. Please include an explanation with metabolism AND take into account we are discussing starvation (or fasting ) conditions.arrow_forwardWhat is the term used for the metabolism of lipids? What is the reactant in the metabolism of lipids?arrow_forward
- Certain low-carb, high-protein diets call for eating large amounts of protein hydrolysate. This strategy can be dangerous, because while body weight can drop quickly, this is largely due to water loss, rather than fatty acid oxidation. Why might this diet approach end up with so much water being lost?arrow_forwardWhat does it mean for fatty acids to be essential? What are the essential fatty acids?arrow_forwardWhich of the following processes would happen on a large scale during starvation (and not in a person who eats regularly)? Chylomicrons deliver lipids to adipose (fat) cells Gluconeogenesis in the liver and kidney; glucose is secreted into blood Protein catabolism in muscle cells; liberated amino acids are funneled into the Krebs cycle Triglycerides previously stored in adipose tissue undergo lipolysis; glycerol is used by the liver for gluconeogenesisarrow_forward
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