Machine-translated by Google. Questions are authored in English.
Top

Discussion

A bacterial culture doubles every 20 minutes. Starting from 1,000 cells, how many are present after 2 hours?

  • A.6,000
  • B.32,000
  • C.12,000
  • D.64,000

Answer: D

Two hours contains six doubling periods, and 2 raised to the sixth power is 64, giving 64,000 cells. Multiplying the starting figure by six, rather than doubling it six times over, is the usual mistake and gives a badly low answer.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.