In Animals, the Synthesis of Cysteine Involves All of the Following

question 4

Multiple Choice

In animals, the synthesis of cysteine involves all of the following, except :

• A) Addition of a carbon group to glycine.
• B) Transfer of the sulfur group from methionine.
• C) An intermediate of homocysteine.
• D) Participation of ATP.
• E) All of these reactions are involved in synthesizing cysteine in animals.