Subject SAT (College Board) Biology: Questions 1 of 830
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Question
MCQ▾The element found in all amino acids that is NOT found in carbohydrates is
Choices
Choice (5) | Response | |
---|---|---|
a. |
Hydrogen |
|
b. |
Oxygen |
|
c. |
Nitrogen |
|
d. |
Sulphur |
|
e. |
Carbon |
Answer
c.
Explanation
- Nitrogen is the major atom that is present in amino acids that are not present in carbohydrates.
- Amino acids derive their name from the amine group that bonds to one of the four covalent bonds of the central carbon atom.
- 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.
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