If True, Which of the Following Is the Best Evidence

question 1

Multiple Choice

If true, which of the following is the best evidence that the cyanelles are providing nutrition (in other words, calories) to the surrounding cercozoan?

• A)if the cyanelle performs aerobic photosynthesis
• B)if the vesicle membrane that surrounds each cyanelle possesses glucose-transport proteins
• C)if the cyanelle performs aerobic respiration
• D)if radiolabelled ¹⁴CO₂ enters the cyanelle and if, subsequently, radiolabelled glucose is present in cercozoan cytosol
• E)if radiolabelled "heavy" water, ²H₂O, enters the cyanelle and if, subsequently, radiolabelled oxygen appears in cercozoan cytosol

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Definitions:

Service-Type Business

A service-type business is an entity that provides intangible products or services to customers, rather than physical goods.

Accrual-Basis Accounting

Accounting basis in which companies record transactions that change a company's financial statements in the periods in which the events occur.

Cash-Basis Accounting

Accounting basis in which companies record revenue when they receive cash and an expense when they pay out cash.

Revenue Recognition Principle

An accounting principle stating that revenue should be recorded when it is earned and realizable, regardless of when the cash is received.