What is one way that a technician is able to diagnose a patient with a parasitic worm infection?
examining the patient's skin with a magnifying glass
doing an MRI scan on the patient
finding eggs in a blood sample
culturing a sputum sample
finding eggs in a blood sample
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Beggiatoa are ________.
A. obligate aerobes B. obligate anaerobes C. microaerophiles D. facultative anaerobes
Average height of college students increased throughout the 20th century because
A) more students attended college. B) more short students went into military service instead of college. C) nutrition improved greatly in that time. D) many mutations conferring great height occurred during that time period.
The dodo
a. is a large, flightless bird. b. became extinct at human hands. c. lived only on Mauritius. d. was plentiful in the year 1600. e. includes all of these descriptions.
Which molecule is a first messenger but not a second messenger?
a. G protein b. cyclic AMP c. acetylcholine d. protein kinase e. adenylyl cyclase