Because Viruses Could Not Be Visualized Using Conventional Microscopes Further

question 13

Multiple Choice

Because viruses could not be visualized using conventional microscopes further progress required the development of techniques for isolating,propagating and analyzing viruses.All of the following are true except:

• A)crystal structure of the tobacco mosaic virus showed that it was made up of RNA and protein
• B)viruses were first observed with an electron microscope
• C)viral DNA has a different structure from that discovered by Watson and Crick
• D)Hershey and Chase demonstrated that the genetic material of some viruses is DNA

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Definitions:

Labor Input

The amount of work and effort provided by workers for the production of goods and services in an economy.

Productivity

The measure of the efficiency of production, often quantified as the ratio of output to inputs in the production process.

Incentives

Motivators or rewards that influence the actions or performance of individuals or organizations towards achieving certain goals or desired behaviors.

Alcohol Consumption

The intake of beverages containing ethanol, which can have social, cultural, or personal significance.