Cell Culture Video Lessons

Video Thumbnail

Concept

Problem: Place the steps in the correct order to reflect how a lethal dose may be determined.A) Dilutions of virus are made to represent a range of concentrations.B) Inoculated host cells are observed and the number of dead cells are counted.C) The dilution which killed 50% of the tissue culture cells is identified.D) Dilutions are inoculated into susceptible tissue cultures (or susceptible host organisms).a. A D B Cb.D B C A   c. D A C Bd. A B D C

FREE Expert Solution

Lethal Dose (LD50): the concentration required to kill 50% of test organisms

View Complete Written Solution
Problem Details

Place the steps in the correct order to reflect how a lethal dose may be determined.

A) Dilutions of virus are made to represent a range of concentrations.

B) Inoculated host cells are observed and the number of dead cells are counted.

C) The dilution which killed 50% of the tissue culture cells is identified.

D) Dilutions are inoculated into susceptible tissue cultures (or susceptible host organisms).

a. A D B C

b.D B C A   

c. D A C B

d. A B D C

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Cell Culture concept. You can view video lessons to learn Cell Culture. Or if you need more Cell Culture practice, you can also practice Cell Culture practice problems.