Answer:
Transcription occurs the nucleus of eukaryotic cells
the (drug and control) are the variable that you will change throught the conducted investigation.
I believe the answer is a mutation.
Answer: The difference between structures of glucose and galactose occurs at a carbon other than the anomeric carbon.
Explanation: The cyclic structure of glucose and galactose is cannot be inter converted because the change does not occurs at the anomeric carbon.
It takes place at carbon number 3 ( Fisher's projection)which does not takes place in the opening and closing of the rings.
Anomeric carbon are the carbon that takes place in the opening and closing of the rings.
