Why Are Fats a Better Source of Energy Than Carbohydrates

question 94

Multiple Choice

Why are fats a better source of energy than carbohydrates on a per carbon basis?  

• A)Fats are comprised of other atoms besides carbon and oxygen that increase its ATP yield.
• B)Fats have more hydrogenbound in its fatty acid chains, which allows them to react more with oxygen.
• C)Fats do not completely break down, and the by-products increase ATP yield.
• D)Fats require fewer reactions with oxygen to completely break down, thus increasing its ATP yield.
• E)Fats require more reactions with oxygen to completely break down.

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Definitions:

Class II MHC

Molecules found on the surface of certain immune cells that present processed antigens to helper T cells, playing a critical role in the immune response.

Glycoproteins

Proteins that have sugar molecules attached to them, playing critical roles in cell recognition, immune responses, and protection of cells.

Intracellular Pathogens

Microorganisms that invade and replicate within the cells of a host, including viruses, some bacteria, and parasites.

Interleukins

A group of cytokines that were first seen to be expressed by white blood cells (leukocytes) and play an important role in the immune system by regulating cell growth, differentiation, and mobility.