The Development of Which of the Following Instruments or Techniques

question 5

Multiple Choice

The development of which of the following instruments or techniques in the 1930's allowed scientists to visualize viral particles for the first time?

• A) polymerase chain reaction
• B) electron microscope
• C) confocal microscope
• D) thermal cycler
• E) plaque assay

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Definitions:

Salmon

A species of fish often considered for its health benefits and widely consumed around the world.

Comparative Advantage

Comparative advantage is an economic principle that posits a country or entity can produce a good or service at a lower opportunity cost than another, leading to more efficient trade possibilities.

Opportunity Cost

Forgoing the possibility of profit from various alternatives by choosing a specific one.

Production

The method of merging different tangible and intangible inputs (like designs and expertise) to produce an item meant for consumption (known as the output).