AP BIOLOGY

BIOCHEMISTRY

ORGANIC COMPOUNDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the function of Lipids?
A
cells store energy from the sugars produced
B
cells store energy from the starches produced
C
cells store energy from fats and oils for later use
D
cells store energy from the nutrients produced
Explanation: 

Detailed explanation-1: -Within the body, lipids function as an energy reserve, regulate hormones, transmit nerve impulses, cushion vital organs, and transport fat-soluble nutrients. Fat in food serves as an energy source with high caloric density, adds texture and taste, and contributes to satiety.

Detailed explanation-2: -Fats (lipids) Fats are the primary long-term energy storage molecules of the body. Fats are very compact and light weight, so they are an efficient way to store excess energy. A fat is made up of a glycerol, which is attached to 1 to 3 fatty acid chains.

Detailed explanation-3: -The main biological functions of lipids include storing energy, as lipids may be broken down to yield large amounts of energy. Lipids also form the structural components of cell membranes, and form various messengers and signaling molecules within the body.

Detailed explanation-4: -Role of Lipids If you consume more calories than you need in a day, the excess energy is stored as lipids in adipose cells. In between meals and during exercise your body relies on these fats stores to provide energy. Lipids are also used to insulate and protect your body.

Detailed explanation-5: -Lipids are an efficient source of energy (9kcal per gram) that the body stores in relative abundance. They also play an important role as building blocks for cell membranes, hormones, and physiologically active substances.

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