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What is respiration?

What is respiration?

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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What is respiration?

MEASUREMENT OF RESPIRATION IN AN AQUEOUS ENVIRONMENT Introduction Oxidation of food produces energy and is used up by the cell to do work. Cellular activities are of different kinds such as propagation of nerve impulse, contraction of muscles and secretion of cellular contents and these are all occurring in the living cells which require energy. Oxidation of food gives energy to animals. Energy, water and carbon dioxide is released when food in animals are metabolized using oxygen. Glucose + oxygen -----> carbon dioxide + water + 673 Kcal The rate of animal oxidizing carbohydrates can be determined by the oxygen consumption or by the rate of carbon dioxide gas production because the amount of oxygen intake is equal to the amount of carbon dioxide released. Rates of carbon dioxide exchange per unit weight per unit time can be express as measurement of respiratory rates. The most commonly units milliliters (mL) CO2 per gram per hour and micromoles (4MCO2) per milliliter per hour.
Transcribed Image Text:MEASUREMENT OF RESPIRATION IN AN AQUEOUS ENVIRONMENT Introduction Oxidation of food produces energy and is used up by the cell to do work. Cellular activities are of different kinds such as propagation of nerve impulse, contraction of muscles and secretion of cellular contents and these are all occurring in the living cells which require energy. Oxidation of food gives energy to animals. Energy, water and carbon dioxide is released when food in animals are metabolized using oxygen. Glucose + oxygen -----> carbon dioxide + water + 673 Kcal The rate of animal oxidizing carbohydrates can be determined by the oxygen consumption or by the rate of carbon dioxide gas production because the amount of oxygen intake is equal to the amount of carbon dioxide released. Rates of carbon dioxide exchange per unit weight per unit time can be express as measurement of respiratory rates. The most commonly units milliliters (mL) CO2 per gram per hour and micromoles (4MCO2) per milliliter per hour.
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