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Concept explainers
Why is glucose considered the pivotal compound in carbohydrate
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Interpretation:
The reason as to why glucose is considered the pivotal compound in carbohydrate metabolism is to be stated.
Concept introduction:
The carbohydrates play an important role in cell metabolism. Carbohydrates are the source of energy. They are broken down to glucose or other smaller molecules which is required to produce energy. Carbohydrates spare protein and fat for other uses. Some examples of carbohydrates are glucose, fructose, sucrose, lactose and maltose.
Answer to Problem 23.1E
Glucose is the key food for most organisms and major metabolic pathway involves either the use or synthesis of glucose. This is the reason why glucose is considered the pivotal compound in carbohydrate metabolism.
Explanation of Solution
The central substance in metabolism is glucose. Glucose is the key food for most organisms. The major metabolic pathway involves either the use or synthesis of glucose. The chemical degradation of glucose provides the energy in the cell. Therefore, glucose is considered the pivotal compound in carbohydrate metabolism.
Glucose is the key food for most organisms and major metabolic pathway involves either the use or synthesis of glucose. This is the reason why glucose is considered the pivotal compound in carbohydrate metabolism.
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Chapter 23 Solutions
Chemistry for Today: General, Organic, and Biochemistry
- How does the caloric value of fat compare with the caloric value of glycogen and starch?arrow_forwardCholesterol, in spite of its bad reputation, is an essential component of: a.microtubules. b.the cell membrane. c.ribosomes. d.cytosol.arrow_forwardWhat is the major function of carbohydrates in the body? O Long term energy n Short term energy O Building blocks of proteins O Building blocks of DNAarrow_forward
- What are the major monosaccharide products produced by digestion of carbohydrates?arrow_forwardRoutine examination of the urine of an asymptomatic pediatric patient showed a positive reaction with Clinitest (a copper reduction method of detecting reducing sugars) but a negative reaction with the glucose oxidase test for detecting glucose. Using these data, show on the chart below which of the sugars could (YES) or could not (NO) be present in the urine of this individual. Sugar Fructose Galactose Lactose Glucose Sucrose Xylulose Yes No.arrow_forwardIn strong base, glucose converts to fructose. Explain howthis conversion occurs.arrow_forward
- The degradation of carbohydrate, lipid and protein can produce Acetyl coA. O True O Falsearrow_forwardIf 2 monosaccharides undergo dehydration synthesis, what results? O2 separate compounds connected by an intermolecular force O2 separate compounds connected by a chemical bond 1 compound where the 2 cyclic portions are connected by an intermolecular force 1 compound where the 2 cyclic portions are connected by a chemical bondarrow_forwardExcess glucose in the body is stored as none of these options monosaccharides O proteins amino acidsarrow_forward
- Glucose is the preferred energy source of the brain, Why?arrow_forwardExplain why triacylglycerides are more efficient at energy storage (~ 9 Calories/g) compared to the two othermacronutrient classes, carbohydrates, and proteins (each ~ 4 Calories/g). Shown below is a representativeexample of each for comparison.arrow_forwardHow can glucose be utilized to produce ribose for RNA synthesis?arrow_forward
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