A Sequence Database Such as GenBank Could Be Used to Carry

question 34

Multiple Choice

A sequence database such as GenBank could be used to carry out which of the following processes?

• A) Determine the expression pattern for specific human genes.
• B) Construct a tree to determine the evolutionary relationships between various bird species.
• C) Search for genes that have not yet been identified in eukaryotic genomes.
• D) Compare patterns of gene expression in cancerous and non-cancerous cells.

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Definitions:

Fixed Cost

Expenses that do not change with the level of production or sales, such as rent or salaries.

Total Fixed Costs

The sum of all costs that remain constant regardless of any change in a company's production volume.

Diminishing Returns

A principle stating that if one input in the production of a commodity is increased while other inputs are held fixed, a point will eventually be reached at which additions of the input yield progressively smaller, or diminishing, increases in output.

Economies of Scale

The cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale as fixed costs are spread out.