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because they are i dont know why tip look in a dictionary

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Q: Why are proteins your main source of energy if no carbohydrates are available?
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Are porteins a source of energy?

Proteins do provide energy, but in a small amount. Proteins are body building materials. Carbohydrates are a good source of energy.


What is the primary energy source for most animals carbohydrates or proteins or fiber or fats?

Carbohydrates


What food type is the body main energy source?

carbohydrates


Glucose is used as an energy source only when proteins and fats are not available?

False. Glucose is not used as an energy source when proteins and fats are not available.


What do cabohydrates do for your body?

The primary function of carbohydrates is providing energy for the body. Fats and proteins also provide energy, but carbohydrates are the main source.


Does carbohydrates give us energy source?

Yes, carbohydrates are an important source of energy for animals.


Are the main source of energy?

Carbohydrates are the primary energy source for herbivores (cows, horses, etc.). Proteins are the primary energy source for carnivores (dogs, cats, etc.).


What are carbohydrates the most readily available source of?

Carbohydrates are the most readily available source of energy. Carbohydrates are essential to one's diet and are found in many types of food.


How do plants and animals get carbohydrates to use for energy?

Only as an energy source, it requires amino acids for animals to make proteins.


Which macromolecule is used as main source of energy for a cell?

Carbohydrates are the primary source of energy for the body.They are one of the four types of Macromolecules which are: Carbohydrates, Proteins, Nucleic Acids, and Lipids.


What are the 4 major classes of biomolecules?

Proteins, Lipids, Nucleic Acids, and Carbohydrates.


What provides the most readily available energy?

Carbohydrates, as a class, provide the most readily available energy source for cells. The complex carbohydrates will split to simple sugars for immediate fuel.