Fresh Media Is Inoculated with an Actively Growing Escherichia Coli

question 4

Multiple Choice

Fresh media is inoculated with an actively growing Escherichia coli culture.You measure the optical density (OD) at the time of inoculation and record a value of 0.05) Two hours later you take another reading and record an optical density of 0.2) What is the generation time for your culture?

• A)30 minutes
• B)40 minutes
• C)50 minutes
• D)60 minutes
• E)Cannot determine from the information given.

---

Definitions:

U.S. GDP

Gross Domestic Product of the United States, measuring the total economic output of goods and services.

Investment Spending

The expenditure on new physical capital, such as buildings and machinery, by businesses, and includes construction of new homes by households.

New Structures

Refers to recently constructed buildings or engineering projects.

Components of GDP

represent the sum of all goods and services produced within a country's borders in a specific time period, generally categorized into personal consumption, investment, government spending, and net exports.