Which of the following glycosidic linkage between galactose and glucose is present in lactose?
A
C−1 of glucose and C−6 of galactose
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B
C−1 of galactose and C−4 of glucose
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C
C−1 of glucose and C−4 of galactose
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D
C−1 of galactose and C−6 of glucose
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Solution
The correct option is BC−1 of galactose and C−4 of glucose Structure of lactose:
Therefore, in lactose C−1 of galactose is connected to C−4 of glucose via glycosidic linkage.