Cyanobacteria Participate in Multilayered Microbial Mats with Sulfur Phototrophs

question 54

Multiple Choice

Cyanobacteria participate in multilayered microbial mats with sulfur phototrophs. These other phototrophs absorb light if they lie below the cyanobacteria by

• A) growing anaerobically.
• B) producing phycocyanin.
• C) absorbing light at shorter wavelengths than cyanobacteria.
• D) absorbing light at longer wavelengths than cyanobacteria.
• E) absorbing UV irradiation.

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Definitions:

Accounts Receivable Balance

The overall financial dues that customers owe a business for the receipt of goods or services which are unpaid.

Finance Charges

The cost of borrowing money, including interest and other fees, that a lender charges a borrower for the use of funds.

Accounts Receivable Period

The average number of days it takes a company to collect payment after a sale has been made.

Controller

A senior financial officer responsible for managing a company's accounting operations, including the production of periodic financial reports, maintenance of accounting records, and a comprehensive set of controls and budgets.