Metabolic Reactions and Nutrient Utilization

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What is the primary source of energy for performing biological work in the body?

The energy stored in the bonds between atoms of molecules

The energy produced through anabolic reactions

The energy generated from ATP

The energy from the food we eat (correct)

What are the three major metabolic destinations for the principle nutrients?

Energy for active processes, synthesized as fat or glycogen, and functional molecules

Energy for active processes, structural molecules, and functional molecules

Synthesized into structural molecules, synthesized as fat or glycogen, and ATP production

Energy for active processes, synthesized into structural or functional molecules, or synthesized as fat or glycogen (correct)

What is the term that refers to all the chemical reactions in the body?

Catabolism

Metabolism (correct)

Anabolism

Energy transfer

What is the molecule that plays a key role in the transfer of manageable amounts of energy from one molecule to another?

ATP Signup and view all the answers

What is the outcome of oxidation reactions in biological systems?

A decrease in the energy content of the molecule Signup and view all the answers

What is the term that describes the process of transferring hydrogen atoms from one compound to another through coenzymes?

Dehydrogenation Signup and view all the answers

What is the opposite of oxidation?

Addition of electrons to a molecule Signup and view all the answers

What is the primary source of energy for synthesizing ATP in the body?

Glucose Signup and view all the answers

What is the process by which glucose is stored in the liver and skeletal muscles?

Glycogenesis Signup and view all the answers

What is the role of insulin in glucose movement into cells?

Increasing the insertion of Gly-T molecules Signup and view all the answers

How is glucose absorbed in the GI tract?

Secondary active transport Signup and view all the answers

What is the fate of excess glucose when glycogen storage areas are filled up?

It is converted to glycerol and fatty acids Signup and view all the answers

What is the primary function of ATP in biological systems?

To transfer manageable amounts of energy from one molecule to another Signup and view all the answers

Which process involves the removal of electrons from a molecule?

Oxidation Signup and view all the answers

What happens to the liberated hydrogen atoms during oxidation reactions?

They are transferred to another compound by coenzymes Signup and view all the answers

What is the term that describes the breaking down of complex organic molecules?

Catabolism Signup and view all the answers

What is the relationship between catabolism and anabolism?

They are coupled by ATP Signup and view all the answers

What is the energy source for performing biological work?

The food we eat Signup and view all the answers

What is the fate of the energy stored in the bonds of nutrient molecules?

It is transferred to other molecules Signup and view all the answers

What is the role of coenzymes in oxidation reactions?

To transfer hydrogen atoms to another compound Signup and view all the answers

What is the purpose of metabolic reactions in the body?

To maintain energy homeostasis Signup and view all the answers

What is the result of the coupling of catabolism and anabolism?

Energy is transferred from one molecule to another Signup and view all the answers