Multiple Choice
In the context of organic chemistry, why is the use of a molecular clock controversial?
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Intro to Organic Chemistry
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Which of the following statements about B vitamins is true?
A
B vitamins are only found in animal-based foods.
B
B vitamins are water-soluble and must be consumed regularly as they are not stored in the body.
C
B vitamins are fat-soluble and stored in the body's adipose tissue.
D
B vitamins are primarily involved in the synthesis of fatty acids.
Verified step by step guidance1
Begin by understanding the solubility of B vitamins. B vitamins are known to be water-soluble, which means they dissolve in water and are not stored in the body. This is a key characteristic that differentiates them from fat-soluble vitamins.
Next, consider the implications of water solubility. Since B vitamins are water-soluble, they must be consumed regularly through diet because the body does not store them for long-term use.
Evaluate the statement about B vitamins being found only in animal-based foods. B vitamins are found in a variety of foods, including both animal and plant sources, such as whole grains, legumes, and leafy greens.
Consider the statement about B vitamins being fat-soluble and stored in adipose tissue. This is incorrect because fat-soluble vitamins, like vitamins A, D, E, and K, are stored in the body's fat tissues, unlike B vitamins.
Finally, assess the role of B vitamins in the body. B vitamins are primarily involved in energy metabolism and the functioning of the nervous system, rather than the synthesis of fatty acids.
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