A patient has a serious lung infection. A sputum sample was taken. The lab technician stated that the lab isolated a bacterium that did not have any peptidoglycan. You hypothesize that the identity of this microbe could possibly be __________.
A) Mycobacterium tuberculosis
B) Mycoplasma pneumoniae
C) Streptococcus pneumoniae
D) Borrelia burgdorferi
E) Haemophilus influenzae
B) Mycoplasma pneumoniae
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Which of the following sequences accurately describes the series of structures through which air passes through on the way into the mammalian lung?
A. pharynx ? larynx ? trachea ? bronchi ? bronchioles ? alveoli B. larynx ? pharynx ? trachea ? bronchi ? bronchioles ? alveoli C. pharynx ? trachea ? larynx ? bronchi ? bronchioles ?alveoli D. bronchi ? bronchioles ? pharynx ? larynx ? trachea ? alveoli E. alveoli ? bronchioles ? bronchi ? trachea ? larynx ? pharynx
Most cervical cancers are caused by:
a. herpes virus b. human papillomavirus c. hantavirus virus d. streptococcus e. staphylococcus
The part of the brain that controls the basic
responses necessary to maintain life (such as breathing and heartbeat) is the a. medulla oblongata. b. corpus callosum. c. pineal gland. d. cerebellum. e. cerebral cortex
Sea snakes, which are reptiles, are similar in body form to eels, which are fish. Sea snakes and eels
therefore demonstrate. a. ancestral traits b. divergent evolution c. homologous traits d. reversal e. convergent evolution