Yeast Genome Analysis Has Revealed a Mixed Ancestry of Eubacterial

question 92

Multiple Choice

Yeast genome analysis has revealed a mixed ancestry of eubacterial and archaebacterial gene inheritance. Studies presently show:

• A)archaeal character in metabolic genes and eubacterial character in the informational genes
• B)eubacterial character in metabolic genes and archaeal character in the informational genes
• C)eubacterial character in informational and metabolic genes and archaeal character in cell wall genes
• D)archaeal character in informational and metabolic genes and eubacterial character in cell wall genes
• E)eubacterial character in informational and metabolic genes and archaeal character in motility genes

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Definitions:

Fixed Cost

Costs that do not vary with the level of output or production, such as rent or salaries.

Variable Cost

Costs that vary directly with the level of output or production volume, such as materials and labor expenses.

Average Variable Cost

The total variable costs incurred by a firm divided by the quantity of output produced.

Marginal Cost

The extra cost resulting from the manufacture of an additional unit of a product or service.