Meiosis in female humans is completed
a. before birth.
b. shortly after birth.
c. during the ovarian cycle.
d. at fertilization.
e. when a woman is fully mature
D
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Some cyanobacteria form ________, which are comprised of chains of bacterial cells that are in close contact with one another over a large area.
A. mycelia B. trichromes C. cell mats D. hypha
Increasing global population, overcrowding and international travel have contributed to many changes in epidemiological trends of infectious disease. Which of the following would have been just as likely to occur a century ago as today?
A. The incidence of bubonic plague in humans, transmitted via the rat flea, is gradually increasing in the United States with most of the cases reported in the west. B. Gonorrhea, one of the oldest known STDs, is becoming increasingly difficult to treat due to multi-drug resistance strains of Neisseria gonorrhea. C. An individual was placed under a government-ordered isolation after traveling while infected with a drug resistant strain of Mycobacterium tuberculosis. D. West Nile encephalitis, a zoonotic disease caused by a virus first isolated in Uganda, is now a world-wide pandemic in human and animals.
In making an active prediction it is advantageous for the relationship being predicted to be of what sort?
A. Unbiased B. Efficient C. Confounding D. Causal
This hormone is secreted from the posterior pituitary and regulates muscle contraction.
A. oxytocin B. epinephrine C. antidiuretic hormone D. prolactin E. adrenocorticotropic hormone