Multiple Choice
Which of the following characteristics was not associated with the first organic molecules on Earth?
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Intro to Organic Chemistry
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Why have trans fats been banned from some restaurants, and how are they typically created?
A
Trans fats are banned because they cause allergic reactions and are created by the complete hydrogenation of animal fats.
B
Trans fats are banned because they lead to obesity and are created by the oxidation of saturated fats.
C
Trans fats are banned because they increase the risk of heart disease and are created by the partial hydrogenation of vegetable oils.
D
Trans fats are banned because they are carcinogenic and are created by the fermentation of sugars.
Verified step by step guidance1
Understand the health implications of trans fats: Trans fats are associated with an increased risk of heart disease. They can raise LDL (bad) cholesterol levels and lower HDL (good) cholesterol levels, contributing to cardiovascular problems.
Identify the process of creation: Trans fats are typically created through the process of partial hydrogenation. This involves adding hydrogen to vegetable oils, which converts some of the cis double bonds in unsaturated fats to trans double bonds, resulting in a semi-solid form at room temperature.
Differentiate between partial and complete hydrogenation: Partial hydrogenation results in trans fats, while complete hydrogenation would convert all double bonds to single bonds, resulting in a fully saturated fat without trans configurations.
Recognize the sources of trans fats: They are often found in processed foods, such as margarine, snack foods, and baked goods, where they are used to improve texture, shelf life, and flavor stability.
Understand regulatory actions: Due to their health risks, many countries have implemented regulations to limit or ban the use of trans fats in food products, encouraging the use of healthier alternatives.
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