The Weakness of a − U Base Pairs at the End

question 54

True/False

The weakness of A − U base pairs at the end of the RNA molecule may help in dissociation of the new RNA product.

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Definitions:

Choanoflagellate

Single-celled organisms that are considered to be the closest living relatives of animals, characterized by a flagellum surrounded by a collar of microvilli.

Rhizaria

A supergroup of mainly unicellular eukaryotes, characterized by their amoeboid movement mechanism and often elaborate shells.

Clades

Groups in a phylogenetic tree that include a single ancestor and all its descendants, representing monophyletic branches.

Motility

The ability of organisms and cells to move spontaneously and actively, consuming energy in the process.