The hypothesis that cowpox could provide protection against smallpox was tested by ________ and provided the basis for the first vaccine
A) Robert Koch
B) Edward Jenner
C) Eduard Buchner
D) Louis Pasteur
E) Lazzaro Spallanzani
B
Bloom's Taxonomy: Knowledge
Section: The Golden Age of Microbiology
Learning Outcome: 1.17
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Albinism is an example of ________
A) a dominant disease B) an autosomal recessive disease C) a sex-linked disease D) a polygenic disease
Viruses use the host's machinery to make copies of themselves. However, some human viruses require a type of replication that humans do not normally have. For example, humans normally do not have the ability to convert RNA into DNA
How can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? A) The virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles. B) The viral genome codes for specialized enzymes not in the host. C) The virus infects only those cells and species that can perform all the replication roles necessary. D) Viruses can stay in a quiescent state until the host cell evolves this ability.
The type(s) of bond(s) produced when atoms share electrons equally is/are
A) a nonpolar covalent bond. B) a hydrogen bond. C) an ionic bond. D) a polar covalent bond. E) both polar covalent and ionic bonds.
During initiation in bacterial translation, a particular mutation causes the premature binding of the large ribosome subunit to the small ribosome subunit. Which component of initiation is not working properly?
A) IF3 B) Ribosome's E site C) Shine-Dalgarno sequence on the mRNA D) IF1 E) IF2