The Coupling of Energy-Spending Electron Transfer Via CO₂ Reduction to an Energy-Yielding

question 42

Multiple Choice

The coupling of energy-spending electron transfer via CO₂ reduction to an energy-yielding electron transfer via CoM-S-S-CoB reduction is called

• A) autotrophy.
• B) thermophily.
• C) methanogenesis.
• D) electron bifurcation.
• E) methanotrophy.

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Definitions:

Allowance Method

An accounting technique used to estimate and account for doubtful accounts receivable and adjust the amount of accounts receivable reported on the balance sheet.

Accounts Receivable

Money owed to a company by its customers for sales or services on credit, considered a current asset on the balance sheet.

Allowance for Doubtful Accounts

A contra-asset account used to estimate and offset the amount of receivables that may not be collected.

Uncollectible Accounts

Accounts receivable that a company does not expect to collect due to customer defaults.