BONUS: What is and what does the gene p53 do? What happens when it is mutated?

The core of a virus contains

Which of the following describes archaea that live in extremely salty environments?

Proteinaceous infectious particles that cause degenerative diseases of the nervous system in humans and other animals are called

Which term(s) can be applied to all protists?

The deposits of chalky fossils that build the White Cliffs of Dover were produced by

Which of these items will NOT generally be affected by an increase in the debt ratio?

In the diagrams below, match the circulatory systems with the following vertebrate groups: Fishes, lungfishes, amphibians, reptiles, birds and mammals. Indicate the number of heart chambers (atria and ventricles) in each case.            

Answer one of the following two questions:   a. What distinguishes primates from other groups of mammals? How do hominins differ from other primates? What features have been enhanced and what diminished as early hominins evolved into Homo sapiens?   b. How did neoteny contributed to the development of relatively large brains in humans?

In Sherlock Jr., the main character works as a train conductor but dreams of being a detective.