Two Graduate Students Are Working in the Same Lab

question 162

Multiple Choice

Two graduate students are working in the same lab.Jane is investigating the mariner transposon, a DNA transposon.Sam is studying Alu, a SINE.What property is shared by Jane's and Sam's elements?

• A) Both are transcribed and translated.
• B) Both use an RNA intermediary.
• C) Both use a "copy and paste" mechanism.
• D) Both use a "cut and paste" mechanism.
• E) Both are short tandem repeats.

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Definitions:

Average Total Cost

represents the per-unit total cost of production, calculated by dividing the total cost by the quantity of output produced.

Variable Cost

Costs that change in proportion to the level of production or sales volume.

Total Cost

The sum of all expenses, both fixed and variable, involved in producing a good or providing a service.

Fixed Cost

Costs that do not change in total regardless of the level of output or activity in the short term.