Which of the following is true of unsaturated fats?
(A) They are more common in animals than in plants.
(B) They have double bonds in their fatty acid chains.
(C) They generally solidify at room temperature.
(D) They contain more hydrogen than do saturated fats having the same number of carbon atoms.

Respuesta :

Answer:

The correct answer is option B.

Explanation:

The fatty acids are differentiated into unsaturated and saturated fatty acids on the basis of the double bonds they contain in their composition. If a fatty acid contains no double bond, it is known as saturated fatty acid, on the other hand, the double bond constituting fatty acids are known as unsaturated fatty acids.  

These kinds of fatty acids are abundantly found in animals. An unsaturated fatty acid contains one or more double bonds in their composition. At room temperature, the saturated fatty acids are found in solid form, while unsaturated fatty acids come in liquid form. The number of hydrogen atoms is found more in a saturated fatty acid, in comparison to an unsaturated fatty acid.  

They have double bonds in their fatty acid chains.

Unsaturated fats are fats that are liquid at room temperature and are found in the form of oil. They have characteristic double and triple bonds.

What are unsaturated fats?

Fatty acids are the precursors of fats and are of two types saturated and unsaturated based on the presence of the bonds found in them. The state of them at room temperature depends on the number and the types of the bond.

The fatty acid having only a single bond is called saturated while having triple or double bonds are called unsaturated bonds. Unsaturated fats are found in animals and the number of hydrogen atoms is less compared to the saturated fatty acids.

Therefore, option B is correct.

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