Which of the Following Flagellates Has a Single Nucleus in the Cyst

question 3

Multiple Choice

Which of the following flagellates has a single nucleus in the cyst and the typical curved, cytostomal fibril, which is called a shepherd's crook?

• A) Giardia lamblia
• B) Chilomastix mesnili
• C) Dientamoeba fragilis
• D) Enteromonas hominis

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Definitions:

Net Income

Net income is the total profit of a company after all expenses, taxes, and costs have been subtracted from total revenue, indicating the company's actual profitability.

Revenues

The total income that a business generates from its normal business activities, usually from the sale of goods and services to customers.

Expenses

Costs incurred in the running of a business operation, such as rent, utilities, and salaries.

Acetylcholinesterase

An enzyme that breaks down the neurotransmitter acetylcholine in the synaptic cleft, thereby terminating the signal between nerve cells.