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Use the following information to answer the questions below.
Giardia lamblia is an intestinal parasite of humans and other mammals that causes intestinal ailments in most people who ingest the cysts. Upon ingestion, each cyst releases two motile cells, called trophozoites. These attach to the small intestine's lining via a ventral adhesive disk. The trophozoites anaerobically metabolize glucose from the host's intestinal contents to produce ATP. Reproduction is completely asexual, occurring by longitudinal binary fission of trophozoites, with each daughter cell receiving two haploid nuclei (n = 5) . A trophozoite will often encyst as it passes into the large intestine by secreting around itself a case that is resistant to cold, heat, and dehydration. Infection usually occurs by drinking untreated water that contains cysts.
-Giardia's mitosome can be said to be "doubly degenerate," because it is a degenerate form of a ________, an organelle that is itself a degenerate form of a(n) ________.


Definitions:

Business Combination Valuation Entries

Journal entries made in accounting to record the assets and liabilities at their fair values in a business acquisition.

Dividend Payable

A liability recorded on a company's balance sheet representing the amount of dividends declared by the board of directors but not yet paid to shareholders.

Cum Div. Basis

A term indicating that a stock is trading with the right to receive the most recently declared dividend, as opposed to "ex-dividend" where the right is not included in the purchase.

Pre-acquisition Entry

A journal entry made to record the financial impacts of acquiring company interest or assets before full acquisition or control is obtained.

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