Double-Stranded RNA Viruses

question 156

Multiple Choice

Double-stranded RNA viruses

• A) have only a few genes, including one that allows them to make mRNA from their genome.
• B) are responsible for causing plant diseases and are referred to as mosaic viruses.
• C) regenerate themselves by reverse transcription.
• D) are polyphyletic and include some that have more than a million base pairs.
• E) have distinct lipids in their plasma membranes.

---

Definitions:

Average Price

The mean cost of goods or services calculated over a specific period or set of units, used to determine general price levels.

Standard Cost System

A cost accounting system that uses predetermined costs for materials, labor, and overhead charges to control actual costs and measure variances.

Material Variances

Material variances are differences between the actual costs of materials and the expected (or standard) costs.

Cost Variances

The difference between actual costs and standard or budgeted costs in business operations.