Which of the following viruses is considered a childhood disease, was first identified by a German physician, and is known to cause "three-day measles"?
A) rubella
B) roseola
C) echovirus
D) coxsackie A virus
E) rhinovirus
A
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The idea that most ecological communities merge into one another gradually is part of the
A. equilibrium model. B. species-area effect. C. time hypothesis. D. organismic model. E. principle of species individuality.
Determining urease activity and growth on niger seed agar is helpful in determining which type of yeast?
a. C. albicans b. Trichosporon c. C. neoformans d. M. furfur
Gibberellins affect many processes in plants. In seeds embryos, gibberellins are believed to signal hydrolysis of the stored food reserves through inducing the synthesis of the enzyme ?-amylase. Which food source are gibberellins targeting with the release of ?-amylase?
A. protein B. omega-3 fatty acids C. glycogen D. fructose E. starch
osmotic potential
What will be an ideal response?