Calculate the titer of the virus stock

Assignment Help Biology

Reference no: EM13116629

A virus stock was diluted to 10^-8 and 0.1 ml assayed in triplicate. The plaque counts were 22, 18, and 20. Calculate the titer of the virus stock.

Reference no: EM13116629

Questions Cloud

Determine the integral number of divisions : Of course, the development of an adult organism from a zygote isn't quite that simple. In addition, things can go awry with cell division - notably the transformation of normal cells into cancer cells that divide in an uncontrolled way.

Valuation guidelines for investment : Discuss the reasons why corporations invest in securities. Discuss how the market would be affected if they stopped this practice? Compare and contrast the valuation guidelines for investment at a balance sheet date.

Find the variance and mean of machine : Consider the following number of defective circuit boards produced by two different machines on seven randomly selected days. To three decimel places what is the mean of machine A?

Which graduated cylinder would have greatest volume channge : The density of aluminum is 2.70 g/cm3 and the density of chromium is 7.19 g/cm'.If equal masses of aluminum and chromium are transferred to equal volumes of water in separate graduated cylinders.

Calculate the titer of the virus stock : A virus stock was diluted to 10^-8 and 0.1 ml assayed in triplicate. The plaque counts were 22, 18, and 20. Calculate the titer of the virus stock.

Discuss contingencies : Discuss contingencies and how they are reported on financial statements. What conditions must be met before a contingency can be charged against income?

How to interpret experiment in terms of the checkpoint : Two types of signals have been implicated in metaphase checkpoint arrest. Consider the results of a recent experiment in which the unattached kinetochore of a monoattached chromosome was destroyed by a laser beam.

Find minimum sample size for estimating overall proportion : Find the minimum sample size required for estimating the overall proportion of students who passed Exam P in 2009 to within 4% with 95% confidence if it is known that this proportion is between 30% and 40%.

International financial reporting standards for publicly : Discuss how influential you believe the IASB is over FASB. Discuss whether or not you support the U.S. adopting International Financial Reporting Standards for publicly traded companies.

User Account

All Pages