Question 49

(Multiple Choice)

Use the following figure to answer the questions below.
Use the following figure to answer the questions below.    -A space probe returns with a culture of a microorganism found on a distant planet.Analysis shows that it is a carbon-based life form that has DNA.You grow the cells in ¹⁵N medium for several generations and then transfer them to ¹⁴N medium.Which pattern in the figure above would you expect if the DNA was replicated in a conservative manner? A)A B)B C)C D)D E)E
-A space probe returns with a culture of a microorganism found on a distant planet.Analysis shows that it is a carbon-based life form that has DNA.You grow the cells in ¹⁵N medium for several generations and then transfer them to ¹⁴N medium.Which pattern in the figure above would you expect if the DNA was replicated in a conservative manner?


A)A
B)B
C)C
D)D
E)E

Answer