Sound is "heard" when sound waves cause structures inside your ears to physically vibrate. A signal is then sent to your brain where it is interpreted as sound. What type of receptor in the ear is responsible for the sense of hearing?
A. Mechanoreceptors
B. Electromagnetic receptors
C. Thermoreceptors
D. Chemoreceptors
Answer: A
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Base sequence variations between individuals that result from point mutations are called
A) polymorphs. B) small nuclear polymorphisms. C) deletions. D) single nucleotide polymorphisms. E) restriction fragment length polymorphisms.
Match the following items:
A) trinucleotide tandem repeats B) tandem repeats C) unique DNA D) interspersed repeats 1) satellite DNA 2) centromeres 3) useful in RFLP analysis 4) Alu family 5) telomeres 6) VNTR 7) Huntington's disease 8) microsatellite DNA 9) myotonic distrophy 10) transposable elements
Would you describe the water cycle as slow or rapid? What will be an ideal response?
A close, non-neutral association between two organisms is termed a symbiosis.
a. true b. false