After Causing Vibrations of the Maleus, Sound Waves Pass (In

question 113

Multiple Choice

After causing vibrations of the maleus, sound waves pass (in sequence) through the

• A) stapes, round window, scala externa perilymph, scala media endolymph, and oval window.
• B) incus, stapes, oval window, scala vestibuli perilymph, and cochlear duct endolymph.
• C) oval window, scala tympani perilymph, scala vestibuli endolymph, and spiral organ.
• D) incus, stapes, oval window, scala tympani endolymph, scala vestibuli, and helicotrema.
• E) stapes, incus, round window, scala media perilymph, and scala vestibuli endolymph.

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Definitions:

Leucine

an essential amino acid used in the biosynthesis of proteins, important for muscle repair and growth.

Poly-A Tail

The string of adenine nucleotides added to the 3' end of a newly synthesized pre-mRNA molecule, playing a role in mRNA stability and translation.

mRNA Export

mRNA export is the process by which mRNA molecules are transported from the nucleus to the cytoplasm following transcription, preparing them for translation into proteins.

Nucleus

The membrane-bound organelle in eukaryotic cells that contains the cell's genetic material and controls its activities.