Question

Which of the following statement concerning unsaturated fats is
correct?
(a)
They are more common in animals than plants.
(b)
They have double bonds in the carbon chains of their fatty
acids.
(c) They generally solidify at room temperature.
(d)
They have fewer fatty acid molecules per fat molecules.​

Answer 1

Answer:

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Explanation:

When one or more double bonds are present between the carbon chains of the fatty acids it is known as unsaturated fats. They have a large number of fatty acid molecules per fat molecule. Due to the presence of double bonds they contain a lesser number of hydrogen bonds as compared to the saturated fatty acid molecules.

Hence, the correct answer is 'They have double bonds in the carbon chains of their fatty acids'.

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Answer 2

The correct statement concerning unsaturated fatty acids is b) They have double bonds in the carbon chains of the fatty acids.

Explanation:

• Unsaturated fat is a fatty acid in which the hydrocarbon molecules have two carbons that share double or triple bond(s) and are not completely saturated with hydrogen atoms.

• In general, fats are made of carbon, hydrogen, and oxygen and are the most concentrated energy source in food.

• These fats are liquid at room temperature in oil form.

• Unsaturated fats are predominantly found in plants, such as vegetable oils, nuts, and seeds.

• A fat molecule is monounsaturated if it contains one double bond, and polyunsaturated if it contains more than one double bond.