The coiled, fluid-filled tube in which sound waves trigger nerve impulses is called the: cochlea. semicircular canal. vestibular apparatus. eustachian tube. auditory canal.

What claim did thorne make? what evidence supported his claim?

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.