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

Biology & Microbiology

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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.

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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

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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

Biology & Microbiology

osmotic potential

What will be an ideal response?

Biology & Microbiology