Which of the following ocular tissues and infections is mismatched?
A. Keratitis; infection of deep eye tissue
B. Conjunctivitis; milky discharge and infection of eyelid lining
C. River blindness; microfilariae visible in the vitreous chamber
D. Trachoma; infection of epithelial cells
Answer: C
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The echiuran Urechis is also known as:
a. the peanut worm. b. the lugworm. c. the innkeeper worm. d. the beardworm. e. the fan worm.
If one was attempting to estimate the parameter, b, that best explains the relationship between Sales and price using the following equation Sales = (Price - b)2. Which of the following methods would be the most appropriate to estimate b?
A. Nonlinear regression B. Simple linear regression C. Multiple linear regression D. Probit
Is there photosynthetic activity in the benthic zone of the ocean?
A) Yes, because this is the richest zone for nutrient turnover due to microbial activity. B) Yes, because this is the zone of high light penetration and photosynthetic activity. C) Yes, because high light and high nutrient conditions are optimal for phytoplankton production. D) No, because this is below the photic zone. E) No, because nutrient availability is too low.
Diphtheria toxin is produced only by strains of Corynebacterium diphtheriae that are infected with a particular bacteriophage. This is an example of ________.
A. lysis B. induction C. lysogenic conversion D. conjugation