Which of the Following Characteristics Do All Viruses Have in Common

question 12

Multiple Choice

Which of the following characteristics do all viruses have in common?

• A)they are all incapable of replicating their own nucleic acid
• B)they all have DNA genomes
• C)they all have a broad host range
• D)they all infect eukaryotes
• E)they all contain a capsid surrounded by a fatty envelope

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Definitions:

Cathode

The electrode in a battery or electrolytic cell where reduction occurs; it attracts cations.

Anode

The electrode in an electrochemical cell at which oxidation occurs, electrons are released, and positive current flows into the device from the external circuit.

Phenylalanine

An essential amino acid with the formula C9H11NO2, known for its role in the biosynthesis of proteins and a precursor to neurotransmitters.

pH

A numeric scale used to specify the acidity or basicity of an aqueous solution, with values less than 7 being acidic and greater than 7 being basic.