Question 31 - Chemical and Physical Foundations of Biological Systems Practice Test for the MCAT

Which of the following compounds is a carbohydrate? (You may consult the attachment.)

Carbohydrates are biomolecules that possess the general formula (CH2O)n, where n is a positive integer. These biomolecules are very important because their breakdown provides energy to the cell. One important carbohydrate that serves as the backbone of RNA is ribose. The structure of D-ribose is shown below:


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