Which of the Following Is a Sterilization Procedure That Uses

question 5

Multiple Choice

Which of the following is a sterilization procedure that uses moist heat and how is this method effective in killing bacterial spores?

• A) Filtration; filters all microbes larger than the filter pore size
• B) Boiling; kills all microorganisms and spores at 100° C (boiling)
• C) Hot-air chamber; kills all microorganisms and bacterial spores at 171° C for at least 1 hour
• D) Autoclaving; kills all microorganisms and bacterial spores at 121° C for 15 minutes at 15 lb above atmospheric pressure

Understand the concept of an isotope's half-life and its importance in radiometric dating.

Grasp the principles of energy transformation and the conservation of energy.

Comprehend the First Law of Thermodynamics and its implications for energy use.

Acquire knowledge on sustainable living practices to minimize environmental impacts.

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Definitions:

Null Hypothesis

A statement in statistics that suggests no significant difference or effect; it serves as a default assumption to be tested against an alternative hypothesis.

One-way ANOVA

A statistical test that analyzes the differences among three or more group means by comparing within-group variance to between-group variance.

Normally Distributed

Describes a distribution of data where most values cluster around a central mean value, with the distribution tapering off symmetrically towards both extremes.

Weighted Average

An average whereby each quantity to be averaged is assigned a weight, reflecting its importance or frequency relative to other quantities.