________ solution was introduced in the late 19th century for preventing gonococcal infections in a newborn's eyes after exposure to the mother's infected birth canal.

A. Merthiolate
B. Triclosan
C. Silver nitrate
D. Zinc oxide
E. Betadine


Answer: C

Biology & Microbiology

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A SNP that can be either A or T is associated with a human disease. In the Case population, there were 2000 A alleles and 1500 T alleles. In the Control population, there were 2500 A alleles and 3000 T alleles. The allelic odds ratio indicates that the presence of an A confers a ________ times greater risk for the disease than does the T allele.

A) 1.33 B) 1 C) 0.64 D) 1.6

Biology & Microbiology

The difference between intrapleural pressure and intra-alveolar pressure is

A) the driving force for air flow into and out of the lungs. B) zero. C) atmospheric pressure. D) approximately 100 mm Hg. E) transpulmonary pressure.

Biology & Microbiology

DNA tests on remains thought to be those of Czar Nicholas Romanov II of Russia proved the remains

were his. Indicate whether the statement is true or false.

Biology & Microbiology

In primitive land plants, such as mosses and ferns, how does the sperm get to the egg?

What will be an ideal response?

Biology & Microbiology