Subject SAT (College Board) Biology: Questions 1 of 805
MCQ▾
Question
The element found in all amino acids that is NOT found in carbohydrates is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Sulphur |
|
| b. | Oxygen |
|
| c. | Nitrogen |
|
| d. | Hydrogen |
|
Answer
c.
Explanation
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Nitrogen is the major atom that is present in amino acids that are not present in carbohydrates.
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Amino acids derive their name from the amine group that bonds to one of the four covalent bonds of the central carbon atom.
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The amine group consists of one nitrogen and two hydrogens and is found in all molecules known as amino acids. The amine group forms a peptide bond with the COOH complex of an adjoining amino acid in the construction of a polypeptide.
Image Showing Proteins in the Body.
Image showing proteins in the body and nitrogen is an element that is not found in carbohydrates or lipids.