What is the function of the poly A tail?

A. The poly A tail is required for the proper exit of mRNA from the nucleus.
B. The poly A tail allows mRNA to bind to the ribosome.
C. The poly A tail increases mRNA stability in eukaryotes.
D. The poly A tail increases mRNA stability in prokaryotes.
E. The poly A tail serves as a termination sequence for RNA polymerase III.


C. The poly A tail increases mRNA stability in eukaryotes.

Biology & Microbiology

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In Gibson’s experiment with small mammal populations in the tropical forest, ____

a. most species disappeared from small islands within the first 5-7 years after fragmentation b. all species disappeared from small islands within the first 5-7 years after fragmentation c. populations increased 25 years after fragmentation d. most species disappeared from small islands, but quickly recolonized after 5-7 years e. fragmentation had no affect on small mammal species

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Which organism contains an endoskeleton?

a. Crabs b. Earthworms c. Clams d. Snakes e. Sea anemone

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Clinical significance of axial filaments

What will be an ideal response?

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Some vitamins may be beneficial as antioxidants by protecting cells against free radical damage.

a. true b. false

Biology & Microbiology