The Finding That the Short Consensus Sequence at the 5´

question 13

Essay

The finding that the short consensus sequence at the 5´ end of introns is complementary to a sequence near the 5´ end of U1 snRNA suggested that this snRNA must interact with pre-mRNA for splicing to occur.Describe three types of experimental evidence that indicate U1 snRNA is required for splicing.

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Definitions:

Convergent Evolution

The independent evolution of similar traits in different species due to adaptation to similar environments or ecological niches.

Spadefoot Frog Tadpoles

The larval stage of spadefoot frogs, known for their ability to rapidly metamorphose in response to environmental conditions.

Defenseless Prey

Animals that lack overt physical defenses against predators, often relying on camouflage or escape behaviors for survival.

Carnivorous Water Beetles

A group of beetles that live in aquatic environments and feed on other organisms.