Viruses Are Acellular Entities Too Small to Be Seen with a Light

question 44

Multiple Choice

Viruses are acellular entities too small to be seen with a light microscope. They are composed of a nucleic acid and a few proteins. Viruses replicate themselves and display other properties of living organisms only when they have invaded living cells. Indeed, some viruses can be crystallized and stored in a container on a shelf for years, but they retain the capacity to invade cells and cause disease. Jacquelyn C. Black, Microbiology: Principles and Explorations

• A) Argument; conclusion: They are composed of a nucleic acid and a few proteins.
• B) Nonargument.
• C) Argument; conclusion: Viruses are acellular entities ... microscope.
• D) Argument; conclusion: Indeed, some viruses can be crystallized ... cause disease.
• E) Argument; conclusion: Viruses replicate themselves ... invaded living cells.

Recognize the influence of researcher and participant biases in research outcomes.

Appreciate the significance of external and internal validity in research design.

Understand the circumstances under which dividends become a liability for corporations.

Recognize how unexpected company developments may impact preferred and common shareholders.

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Definitions:

Credit Policy Relaxation

The act of making a company's criteria for extending credit more lenient, aiming to boost sales at the risk of higher bad debts.

Accounts Receivable

Unpaid dues from customers to a company for goods or services already delivered.

Zero Balance Accounts

A checking account in which a balance of zero is maintained by automatically transferring funds from a master account in an amount only large enough to cover checks presented.

Excess Funds

Surplus money available with an entity after all expenses and obligations have been met, which can be invested or saved for future use.