Question

When bacteria grown in N-15 medium was transfered to N-14 medium, then after 40 minutes there will be:
A) 100% hybrid duplex
B) 50% hybrid duplex and 50% heavy duplex
C) 50% hybrid duplex and 50% light duplex
D) 50% heavy duplex and 50% light duplex​

Answer 1

Answer:

The answer to this question is option c.

Answer 2

Answer:

C is your answer...

♫•♬•Again after 40 minutes, the cells will replicate and produce 4 cells, all with N14isotope. After 60 minutes, the cells will replicate and produce 8 cells, all with N14isotope. After 80 minutes, the cells are transferred to a medium containing N15 isotope. Semiconservative replication of DNA takes place.•♬•♫•.