A Bacterium Was Grown in Two Test Tubes Filled with Media

question 32

Multiple Choice

A bacterium was grown in two test tubes filled with media rich in glucose.One tube was sealed to produce anaerobic conditions,and the other was not.A third uninoculated,unsealed tube was used as a control.Glucose utilization by this bacterium causes acid production,which is indicated by a lightening of the media color.If the bacterium is able to produce ATP only by respiration,which result do you expect to receive?

• A)lightening of media in the sealed tube only
• B)lightening of media in the unsealed tube only
• C)lightening of media in the sealed and unsealed tubes only
• D)lightening of media in the control tube only
• E)lightening of media in all three tubes

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Definitions:

Depletion Charge

A depletion charge is an accounting technique used to allocate the cost of extracting natural resources from the Earth over the period those resources are consumed.

Depreciation Expense

The distribution of a physical asset's cost across its lifespan, mirroring its depreciation over time.

Journal Entries

Records of financial transactions in an accounting system, indicating the accounts and amounts affected.

Salvage Value

The estimated residual value of an asset at the end of its useful life, reflecting what a company expects to recover once the asset is no longer useful.