HUMAN NUTRITION

NUTRITION

LIPIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A lipid is different than a carbohydrate in that:
A
Lipids are soluble in water
B
Carbohydrates have double bonds in them
C
Lipids have twice the amount of oxygen as hydrogen
D
Carbohydrates are soluble in water
Explanation: 

Detailed explanation-1: -Answer and Explanation: The main difference between a carbohydrate and a lipid is that carbohydrates are water soluble and lipids are not water soluble. Both carbohydrates and lipids can store energy, but their difference in water solubility allows carbohydrates to form polymers while lipids can’t.

Detailed explanation-2: -Introduction. Carbohydrate in the form of glucose is the main source of energy for most metabolic processes in the body. Lipids provide essential fatty acids for brain development and are an important source of energy.

Detailed explanation-3: -Lipids are hydrophobic molecules-they hate water and don’t dissolve in it, because they don’t have much oxygen in them, and carbon doesn’t much enjoy the water. Carbohydrates have much more oxygen and so are hydrophillic-that is, they do dissolve in water.

Detailed explanation-4: -In fact, these four solvents are often referred to as “lipid-solvents” or “fat-solvents". Other biomolecules such as amino acids, proteins, carbohydrates, and nucleic acids are largely insoluble in these solvents. Lipids are widely distributed in both animal and plant systems and perform a wide variety of functions.

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