Antiviral Drugs Are Often Difficult to Develop, Largely Because

question 75

Multiple Choice

Antiviral drugs are often difficult to develop, largely because

• A)viruses are obligate intracellular parasites so the drugs must enter the host cell and often cause toxic side effects in order to destroy the virus.
• B)viruses are more abundant in the body than bacterial cells.
• C)viruses are much smaller than bacterial cells.
• D)viruses are more pathogenic than bacterial cells.

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Definitions:

Mass Extinctions

Events in Earth's history where large numbers of species become extinct in a relatively short period of time.

Fossil Record

The collection of all known fossils and their placement in rock formations and sedimentary layers, providing evidence of past life and evolutionary histories.

Protocells

Simple, self-organized, prebiotic structures that are considered the precursors to living cells.

Eukaryotic Cells

Cells that contain a nucleus and other organelles enclosed within membranes, differentiating them from prokaryotic cells.