How Do Coronaviruses Differ from Togaviruses

question 58

Multiple Choice

How do coronaviruses differ from togaviruses?

• A) Coronaviruses have an envelope.
• B) Coronaviruses are RNA viruses.
• C) Coronaviruses have helical capsids.
• D) Coronaviruses contain positive RNA.
• E) Coronaviruses individual capsids can be visualized.

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Definitions:

Suzuki Coupling

A cross-coupling reaction used in organic chemistry to join two carbon atoms together through the use of a palladium catalyst and a boron compound.

Heck Reaction

A palladium-catalyzed coupling reaction between an aryl halide and an alkene to form a substituted alkene.

Organocuprate Coupling

A type of organic reaction that involves coupling an organocuprate compound with an organic halide or an alkyne to form a new carbon-carbon bond.

Birch Reduction

A chemical reaction that reduces aromatic rings to cyclohexadienes using sodium or lithium in liquid ammonia, often with an alcohol as a proton source.