OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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they are solid at room temperature
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they have single bonds within their carbon chain
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they are usually obtained from animal source
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they tend to dissolve in water easily
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Detailed explanation-1: -Saturated fats are composed of hydrocarbon chains that consist of either carbon-carbon or carbon-hydrogen single bonds . As hydrocarbon chains are nonpolar, they repel water and do not dissolve in water easily. Hence, option d is correct.
Detailed explanation-2: -The solubility in water of saturated fatty acids with even carbon numbers from 8 to 18 was measured in the temperature range of 60 to 230 degrees C and at a pressure of 5 or 15 MPa. The pressure had no significant effect on the solubility. The solubility of the fatty acids increased with increasing temperature.
Detailed explanation-3: -Saturated fats have a chain like structure which allows them to stack very well forming a solid at room temperature. Unsaturated fats are not linear due to double bonded carbons which results in a different molecular shape because the sp2 carbons are trigonal planar.