A student wanted to investigate the effect of varying concentrations of tryptophan on a bacterial culture. Several cultures of the same bacterial species were grown on media, each with a different amount of tryptophan. The cultures were then incubated at 37$^circ$C. At the end of 24 hours, the cultures were examined. As a control, the student should have used a culture that

BIOCHEMISTRY

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A student wanted to investigate the effect of varying concentrations of tryptophan on a bacterial culture. Several cultures of the same bacterial species were grown on media, each with a different amount of tryptophan. The cultures were then incubated at 37

A	was not incubated
B	was incubated at 25oC
C	contained no tryptophan
D	contained no bacteria

Explanation:

There is 1 question to complete.

LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY