What Are the Functions of the Macronucleus and One or More

question 54

Multiple Choice

What are the functions of the macronucleus and one or more small micronuclei in Paramecium?

• A) The macronucleus undergoes meiosis to produce haploid micronuclei that are exchanged in conjugation; this then produces a micronucleus for general cell housekeeping.
• B) The micronucleus undergoes meiosis to produce haploid micronuclei that are exchanged in conjugation; the macronucleus is responsible for the "day-to-day" functions of the cell.
• C) Diploid micronuclei control the cell and the haploid macronuclei are exchanged in conjugation for reproduction.
• D) A micronucleus is always (1n) for conjugative reproduction, the macronucleus functions for general cell coding, and the two are otherwise unrelated.
• E) None of the choices are correct.

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Definitions:

Helmets

Protective headgear worn to reduce the risk of injury, especially in sports, construction, and transportation.

Opportunistic

Taking advantage of situations with little regard for principles or consequences, often to gain personal benefits or advantages.

Cinema

A movie theater where films are shown for public entertainment or the art of filmmaking itself.

Punctuation

The marks used in writing that clarify meaning by indicating separation of phrases, clauses, or to denote pauses.