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Multiple Choice
Which of the following best describes the composition of monosaccharides?
A
Monosaccharides are composed of carbon, hydrogen, and nitrogen in a 1:2:1 ratio.
B
Monosaccharides are composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio.
C
Monosaccharides are composed of carbon, hydrogen, and sulfur in a 1:2:1 ratio.
D
Monosaccharides are composed of carbon, nitrogen, and oxygen in a 1:2:1 ratio.
Verified step by step guidance
1
Begin by understanding what monosaccharides are: they are the simplest form of carbohydrates and serve as the building blocks for more complex carbohydrates.
Monosaccharides are composed of three elements: carbon (C), hydrogen (H), and oxygen (O).
The general formula for monosaccharides is \( C_nH_{2n}O_n \), which indicates a 1:2:1 ratio of carbon, hydrogen, and oxygen.
This ratio means that for every carbon atom, there are two hydrogen atoms and one oxygen atom, which is characteristic of monosaccharides.
Review the options given in the problem and identify the one that correctly describes the composition of monosaccharides as carbon, hydrogen, and oxygen in a 1:2:1 ratio.