Which of the Following Pairs Defines the Coding and Non-Coding

question 51

Multiple Choice

Which of the following pairs defines the coding and non-coding regions,respectively,for most eukaryotic RNA?

• A)introns,exons
• B)exons,introns
• C)spliceons,codons
• D)codons,spliceons

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Definitions:

Archegonium

A female reproductive structure found in ferns, mosses, and some conifers and flowering plants, producing a single egg cell for fertilization.

Sporangium

A spore case, found in plants, certain protists, and fungi.

Xylem

The vascular tissue that conducts water and dissolved minerals in plants.

Phloem

The vascular tissue in plants responsible for transporting sugars and other metabolic products downward from the leaves.