Which of the Following Statements Is a Good Explanation for the Observation

question 16

Multiple Choice

Which of the following statements is a good explanation for the observation that many different rhinovirus strains can all use the same host cell receptor?

• A) The receptor binding site is buried at the base of a narrow canyon on the viral capsid which is inaccessible to antibody proteins.
• B) The recptor binding site is the most exposed area of the capsid which is highly accessible to antibody proteins.
• C) The amino acid sequence of the canyon region of the capsid is highly variable.
• D) The amino acid sequence on the antibody exposed surfaces of the capsid is highly variable.
• E) The amino acid sequence on the exposed areas of the capsid are highly conserved in each strain.

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Definitions:

Classified Balance Sheet

A classified balance sheet presents the assets, liabilities, and equity of a company in clearly defined categories, making it easier to understand the company's financial position.

Interperiod Tax Allocation

The process of distributing income tax expenses or benefits over different accounting periods to match taxes with the revenues they relate to.

Intraperiod Tax Allocation

The apportionment of income taxes within a financial reporting period to different components of net income and other comprehensive income.

Valuation Allowance

A contra-account used to reduce the carrying value of deferred tax assets if it is more likely than not that some portion will not be realized.