Question

Define 1 nutrition 2 nutrient 3 proteins 4 cellular respiration​

Answer 1

Answer:

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Answer 2

Answer:

a. Nutrition:  

• Food is needed by all living organisms for growth and repair.  
• Variety of substances are taken as food from single cellular organisms like Amoeba to the complex multicellular organisms like the human body.  
• The method of taking food by organism is called nutrition.  

b. Nutrients:  

• A nutrient is a substance which is used by an organism to survive, grow, and reproduction.  
• Living organisms obtained nutrients from the food.  
• Carbohydrates, fats, proteins, vitamins, minerals, etc., are the nutrients obtained from food.  

c. Proteins:  

• Proteins are the large complex molecules formed by bonding together many amino acids by peptide bonds.  
• Examples, hair, nail muscles are proteins.  

d. Cellular respiration:  

• Cellular respiration is the process by which cells get their energy in the form of ATP from oxidation of food.  
• Cellular respiration takes place in presence or in absence of oxygen.