Trace the path of a sound wave beginning from its entry into the ear to its transmission to the brain. What will be an ideal response?
Concepts to Consider: Sound waves pass through the external auditory canal; tympanic
membrane vibrates; malleus, incus, stapes amplify vibrations; oval window vibrates; fluids
are set in motion; basilar membrane vibrates; hair cells move against the tectorial membrane;
impulses sent by the cochlear nerve to the brain
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True or False: some ions that facilitate enzymatically catalyzed reactions are capable of catalyzing reactions independently of an enzyme
A. true B. false
What term best describes all of the species that live in a particular region?
a. population b. habitat c. niche d. community e. ecosystem
Which of the following DNA sequences would most likely be recognized by a restriction enzyme? (Note: Only the coding strand is shown.)
A: AGTCGA B: GTCTGA C: TAAGGT D: TCGTGGA E: TAGCTA
The most widely accepted explanation for the transport of sugar-containing fluids in phloem is the ________ mechanism
A) bulk flow B) cohesion-tension C) root pressure D) transpiration E) pressure-flow