If a Splice Site Were Mutated So That Splicing Did

question 57

Multiple Choice

If a splice site were mutated so that splicing did not take place, what would be the effect on the amino acid sequence?

• A) It would be shorter than normal.
• B) It would be longer than normal.
• C) It would be the same length but would encode a different protein.
• D) It would be unable to fold into its correct structure.
• E) It depends on the mutant mRNA sequence.

Distinguish between conditioned and unconditioned stimuli and responses.

Explain the process of extinction and spontaneous recovery in classical conditioning.

Understand the significance of timing and order of stimulus presentation in classical conditioning.

Identify Ivan Pavlov as a key figure in the discovery and study of classical conditioning.

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Definitions:

Cochlear Duct

Interior of the membranous labyrinth of the cochlea; also called cochlear canal or scala media.

Modiolus

Central core of spongy bone about which turns the spiral canal of the cochlea.

Organ Of Corti

Named for Italian anatomist Marquis Alfonso Corti (1822–1888). Spiral organ; rests on the basilar membrane and supports the hair cells that detect sounds.

Perilymph

Fluid contained within the bony labyrinth of the inner ear.