Four of the Following Are Characteristics of Viruses

question 12

Multiple Choice

Four of the following are characteristics of viruses. Which one is the exception?​

• A) ​The outer coats of all viruses are alike.
• B) ​The virus contains either DNA or RNA at its core, but not both.
• C) ​Viruses infect organisms in all three domains of life.
• D) ​Most viruses have a protein coat or covering.
• E) ​Some viruses benefit us indirectly.

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Definitions:

Cathode

An electrode through which electrons move outwards in a circuit; often associated with the reduction process in electrochemical reactions.

Electrolyte

A chemical compound that, when melted or dissolved in water or another solvent, dissociates into ions and becomes capable of conducting electricity.

Rectification

The process of converting alternating current (AC) to direct current (DC) using diodes or other rectifying devices.

Direct Current

Electrical current that flows only from zero to positive and does not alternate negative and positive as AC does; the type of current created by the use of a battery.