biology 30

suppose that sample of beef broth initially contains 16 bacterial cells. after 4.0 h, there are 1.6 x 106 bacterial cells in the sample. calculate the growth rate of the bacterial population for the given time interval. (record your answer in scientific notation: x x 10n )

  1. 👍 0
  2. 👎 0
  3. 👁 440
asked by lalala
  1. PR= V(present)- V(past) divided by V(past)x100


    PR= (1.6x106)- 16
    -------------
    16
    PR= 153.6
    -----
    16
    PR= 9.5 x 100

    1. 👍 0
    2. 👎 0
    posted by ashley

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    suppose that one bacterial cell divides every 30 minutes to make 2 cells. write an expression to find how many cells there will be after 3 hours. then solve to find the total number of cells after 3 hours.

    asked by jayson on August 31, 2012
  2. Math

    (Growth of Cells) Suppose that after t hrs, there are p (t) cells present in a culture, where P(t) = 5000e*^2t a) How many cells were present initially? b) Give a differential equation satisfied by P(t) c) When will the population

    asked by Mitch on June 29, 2009
  3. biology

    Alcanivorax is a naturally occurring oil-degrading marine bacterium that can quickly become the predominant microbe in oil-contaminated open oceans and coastal waters. To identify the genes important for the oil-degrading ability,

    asked by Anonymous on May 2, 2013
  4. Biology

    The Hershey-Chase experiment proved that DNA was the hereditary material because a- radioactive phosphorus in viral proteins was shown not to enter bacterial cells. b- radioactive phosphorus in viral DNA was shown to enter

    asked by Steve on March 9, 2016
  5. Mathematics

    A rare bacterial culture is being grown in a lab. As time passes, the cells multiply in a specific pattern.After 1 day, there is only 1 cell.After 2 days, there are 8 cells.After 3 days, there are 18 cells.After 4 days, there are

    asked by Lay on February 2, 2018
  6. Biology- please help :)

    The Hershey-Chase experiment proved that DNA was the hereditary material because? A)radioactive phosphorus in viral proteins was shown not to enter bacterial cells. B)radioactive phosphorus in viral DNA was shown to enter

    asked by TheGirlNextDoor on December 13, 2012
  7. Biology - please help

    After a strain of bacterial cells is exposed to a chemical mutagen, only 30% of the cells produce new colonies that continue to grow. Which of the following can be concluded? A. Some cells underwent advantageous mutations. B. Some

    asked by Cassie on February 4, 2014
  8. Biology

    After a strain of bacterial cells is exposed to a chemical mutagen, only 30% of the cells produce new colonies that continue to grow. Which of the following can be concluded? A. Some cells underwent advantageous mutations. B. Some

    asked by Cassie on February 4, 2014
  9. algebra

    A rare bacterial culture is being grown in a lab. As the days progress, the cells multiply and grow. After 1 day, there is only 1 cell. After 2 days, there are 9 cells. After 3 days, there are 20 cells. After 4 days, there are 34

    asked by Steve on August 25, 2017
  10. Biology

    A specimen of urine contains 30 bacterial cells per microliter. How many cells are present in a milliliter?

    asked by KJG on November 4, 2008

More Similar Questions