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Which row in the chart below best describes
the active transport of molecule X through a
cell membrane?
Row
Movement of Molecule X
ATP
(1) high concentration β br low concentration used
(2) high concentration - br low concentration
not used
(3) low concentration - br higher concentration used
low concentration - br higher concentration not used
Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?