Cellular respiration is one of the ways a cell gains energy. Nutrients commonly used by animal and plant cells in respiration include glucose, amino acids and fatty acids plus an oxidising agent. Oxygen is used to turn food in to energy.
No, oxygen is used to turn food or into energy
They produce food (Glucose) but then they use most of it to respire and get energy to survive.The Glucose which is the food is stores as starch if it is not used as starch is not soluble in water.
Not only animals respire even plants respire. In respiration they take up oxygen. This O2 is used for oxidation of food which results in release of energy.
Oxygen
This question is quite difficult to follow. Energy cannot change into molecules, food or otherwise. If you mean which types of food are good stores of energy, carbohydrates and fats are used for this.
When is food turned into energy
energy energy
in about 20-30 min.
Not always. Your body would turn more food into fat in means of survial, but most food and energy from food goes into the body to be used as energy and fuel for a person to function and to survive. Also, not eating a lot is damaging to a person's health and is not good for them.
The sun's energy is used to grow food, you eat and digest the food and get energy from it.
Calorie is the unit used to express chemical energy in food.
Heat energy is used for food cooking. It work as temperature changes.