Which of the Following Causes 80% of the Cases of Liver

question 56

Multiple Choice

Which of the following causes 80% of the cases of liver cancer worldwide?

• A) hepatitis B and C viruses
• B) Epstein-Barr virus
• C) human herpesvirus 8
• D) Helicobacter pylori bacterium

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Definitions:

Plantae

A kingdom comprising all plants, characterized by being multicellular, eukaryotic, and photosynthetic.

Phylogenetic Systematics

A method of classifying organisms based on their evolutionary history and relationships, using phylogenetic trees.

Cladograms

A diagram used in cladistics which shows relations among organisms.

Molecular Clocks

Methods used to estimate the time of evolutionary events based on the hypothesis that genetic mutations accumulate at a predictable rate over time.