An E Coli Culture That Has Been Growing at 37°C Is

question 17

Multiple Choice

An E. coli culture that has been growing at 37°C is moved to 25°C. Which of the following changes must be made in its plasma membrane to help it cope with the decrease in temperature?

• A) The number of saturated chains must increase.
• B) The viscosity must increase.
• C) The number of unsaturated chains must increase.
• D) The number of phosphate groups must increase.
• E) No changes are necessary.

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Definitions:

Fitness Program

A structured regimen or plan designed to achieve physical fitness goals, such as improving strength, flexibility, endurance, or overall health.

Population Variances

A statistical measure that represents the dispersion or spread of a set of data points in a population.

Profit Margin

A financial ratio, often expressed as a percentage, that compares a company's net income to its sales. It reveals how much profit a company makes for each dollar of its sales.

Sample Variances

The measure of spread within a sample dataset, calculated as the sum of squared deviations from the sample mean divided by the number of observations minus one.