A major change in the surface glycoproteins of influenza A, which occurs every 10 years on average, is called (antigenic/genetic/protein) shift

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antigenic
Bloom's Taxonomy: Knowledge
Section: Viral Diseases of the Lower Respiratory System
Learning Outcome: 22.23

Biology & Microbiology

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Ecological relationships reflect the __________ traits of organisms in nature

A. behavioral B. physiological C. biomechanical D. behavioral and physiological E. behavioral, physiological, and biomechanical

Biology & Microbiology

With regards to operons, which of the following is incorrect?

A. operons have a promoter that contains an operator B. are typically controlled by a regulatory gene that is located far from the actual operon C. results in several different RNA molecules each leading to the protein specified by each gene segment in the operon D. may be turned on or off E. may be repressible or inducible

Biology & Microbiology

In eukaryotes, a major difference between the core and regulatory promoters is?

a. the regulatory promoter is closer to +1 b. RNA polymerase binds to the regulatory promoter c. the core promoter is transcribed into RNA and the regulatory promoter is not d. RNA polymerase binds to the core promoter

Biology & Microbiology

The bacterial chromosome

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Biology & Microbiology