Carla is taking a home pregnancy test to find out whether she is pregnant. If this test comes back positive, which hormone has it detected in Carla's urine?
A) estrogen B) human chorionic gonadotropin (HCG)
C) relaxin D) progesterone
Answer: B
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Secondary treatment of sewage involves the use of which type of process?
A. Virus removal/inactivation B. Biological removal of inorganic nutrients C. Biological removal of dissolved organic matter D. Physical/chemical removal of insoluble particulate materials
How is it that prezygotic isolating mechanisms can often be bypassed in human controlled breeding
experiments?
What will be an ideal response?Predict the most immediate consequence of the inflammation of the pleural sac in a human.
A. Lung volume would decrease. B. Gas exchange would decrease. C. Hemoglobin's oxygen affinity would decrease. D. Respiratory muscle activity would decrease.
Bacterial flagella are composed of three parts: the ________ body, which is embedded in the cell, the hook, and the ________, which is the longest part of the flagellum.
What will be an ideal response?