Which prokaryote is described accurately?
A. A coccus is corkscrew shaped.
B. An archaean is arch shaped.
C. A bacillus is rod shaped.
D. A spirillum is spherical.
E. A coccus is flattened.
Answer: C
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Which hormones are likely to counteract each other in sodium homeostasis?
A. parathyroid hormone and atrial natriuretic peptide B. atrial natriuretic petide and aldosterone C. aldosterone and cortisol D. atrial natriuretic peptide and cortisol E. antidiuretic hormone and cortisol
A test procedure that applies a specific fluorescent dye-antibody complex to a slide to which the patient specimen has been applied is referred to as a(n):
a. solid-phase enzyme immunoassay. b. direct fluorescent antibody test. c. indirect fluorescent antibody test. d. radioimmunoassay.
In DNA replication, which type of molecule is a primer?
a. nucleic acid b. lipid c. protein d. carbohydrate e. inorganic
Hair is made up mostly of
a. calcium b. keratinized cells. c. carbohydrates. d. fats. e. chitin.