Biology MCQ
Biology
Most types of molecules in the cell have asymmetric (chiral) carbons. Consequently there is the potential to have two different molecules that look much the same but are mirror images of each other and therefore not equivalent. These special types of isomer are called stereoisomers. Which of the four carbons circled in Figure Q2-51 is the asymmetric carbon that determines whether the amino acid (threonine in this case) is a ? or an ? stereoisomer?
Most types of molecules in the cell have asymmetric (chiral) carbons. Consequently there is the potential to have two different molecules that look much the same but are mirror images of each other and therefore not equivalent. These special types of isomer are called stereoisomers. Which of the four carbons circled in Figure Q2-51 is the asymmetric carbon that determines whether the amino acid (threonine in this case) is a ? or an ? stereoisomer?
Most types of molecules in the cell have asymmetric (chiral) carbons. Consequently there is the potential to have two different molecules that look much the same but are mirror images of each other and therefore not equivalent. These special types of isomer are called stereoisomers. Which of the four carbons circled in Figure Q2-51 is the asymmetric carbon that determines whether the amino acid (threonine in this case) is a ? or an ? stereoisomer?
(a) 1
(b) 2
(c) 3
(d) 4
Answer: C
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