A) a scientist cultures e. coli in the presence of a radioactive phosphate source. after growing the culture for 2 hours, she grinds up the e. coli and separates the bacterial dna from the proteins. which sample will contain most of the radioactivity and why?

b) the experiment is repeated, but this time, the bacteria are grown in the presence of radioactive sulfate instead of phosphate. which sample will contain the radioactivity and why?

To store strawberries in sugar syrup, lucy placed them in a jar and covered them with sugar but did not add any water. do you think syrup will be formed? justify. a. no. since water is not added, there cannot be any syrup formation. b. no. the higher concentration of sugar on the outside will cause the water from the sugar to diffuse in the strawberry cells causing them to swell without formation of any syrup. c. yes. the higher concentration of sugar on the outside will cause the water from the strawberry to diffuse out resulting in syrup formation. d. yes. the sugar will melt over time and form the syrup.