Kayla is reading the labels on a cereal box at breakfast. One label at the front of the box states that the cereal is a " good source of energy ". She turns to look at the nutrition label on the side of the box. The nutrition label shows the amount of different nutrients in grams per serving, In which should she expect to see the highest number of grams per serving ?

Carbohydrate.

Fat

Protein

Nucleic acid

Taking into account that the food is "a good source of energy", Kayla would expect to see the highest number of grams per service in carbohydrates

Explanation:

Carbohydrates are molecules considered nutrients that represent the main source of energy for living beings. They are composed of carbon, hydrogen and oxygen, so they are also called carbohydrates.

Glucose, a simple sugar, is the most common energy substrate, capable of oxidizing to synthesize energy in the form of ATP, at the level of the mitochondria.

Carbohydrates can be found in cereals, and when it says on the label "good source of energy" it refers mainly to the high carbohydrate content of the food.

Other options do not apply because:

Proteins, constitute the structural and repairing element of the organism, in addition to the transport of biomolecules and regulatory function in the form of enzymes.
Fat have a structural function and are the raw material for hormone synthesis, also playing a regulatory role. They provide reserve energy.
Nucleic acids are not a source of energy since they are in charge of storing genetic information and protein synthesis.