What structures, in order, are responsible for hearing, starting with a sound wave?
A. tympanic membrane, incus, stapes, malleus, oval window, cochlea, auditory canal
B. cochlea, tympanic membrane, auditory canal, malleus, incus, stapes, oval window
C. tympanic membrane, malleus, incus, stapes, auditory canal, cochlea, oval window
D. auditory canal, oval window, stapes, incus, malleus, tympanic membrane, cochlea
E. auditory canal, tympanic membrane, malleus, incus, stapes, oval window, cochlea
Answer: E
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Mycoplasma pneumoniae
A. does not cause pneumonia despite its name. B. is one of the causes of atypical pneumonia. C. causes pneumonia only in conjunction with viral activity. D. causes pneumonia more often than Streptococcus pneumoniae.
Which of these is a correct representation of the hierarchy of biological organization from least to most complex?
A) organelle of a stomach cell, digestive system, large intestine, small intestine, intestinal tissue, organism B) organelle of an intestinal cell, digestive system, small intestine, large intestine, intestinal tissue, organism C) molecule, intestinal cell organelle, intestinal cell, intestinal tissue, digestive system, organism D) molecule, small intestine, large intestine, intestinal tissue, digestive system, organism E) molecule, digestive system, digestive cell organelle, small intestine, large intestine, intestinal cell, organism
By analogy, the orbitals and atomic nucleus may be
said to most resemble a. a merry-go-round. b. a sundial. c. a multilevel apartment building. d. a nest of mixing bowls. e. ripples in a pond.
For a P1 transduction experiment, an E. coli donor strain with the genotype arg+, ser+, ampR and a recipient strain with the genotype arg-, ser-, ampS were used
The following results were obtained for each marker: Of the transductants selected for arginine, 5% are ser+ and 30% are ampR. Of the transductants selected for serine, 3% are arg+ and 0% are ampR. What is the correct order and relative distance of these three genes on the E. coli chromosome?