Because Viruses Could Not Be Visualized Using Conventional Microscopes Further

question 32

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:

Total Factory Overhead Costs

The sum of all indirect costs incurred during the production process, not directly associated with the production of specific goods or services.

Compute

To calculate or determine by mathematical methods.

Month

A period of time, typically used as a basic time unit for planning and accounting, roughly based on the natural period related to the motion of the Moon.

Cost of Goods Manufactured

The total production cost of goods that are completed in a specific accounting period, including costs of materials, labor, and overhead attributable to the production process.