People that have a single allele (gene copy) for sickle cell anemia are typically not sick from the disease and are said to be carriers of sickle cell trait. These people will more often live in the malaria belt of sub-Saharan Africa
The most likely explanation for this is ________.
A) sickle cell trait is passed on to the biting mosquitoes as malaria
B) the tropical climate attracts people with sickle cell trait
C) malaria is a cause of sickle cell trait
D) people with sickle cell trait have a better chance of surviving malaria
D
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Which statement regarding the storage of your pig is the most correct?
A) The pig should be dried and then stored in a sealed bag. B) The pig should be stored in a sealed bag covered in distilled water. C) The pig should be stored in a sealed bag with exposed muscles covered with paper towels that have been dampened with fixative. D) The pig should be stored on the dissecting pan without any coverings.
Stimulation of granular cells by the sympathetic nervous system causes them to
A. release calcitriol. B. increase endocytosis. C. contract. D. relax.
If the composition of air is 20 percent oxygen with an atmospheric pressure of 700 mm Hg, the partial pressure of oxygen would be
A. 14 mm Hg. B. 20 mm Hg. C. 140 mm Hg. D. 700 mm Hg. E. 1400 mm Hg.
The auditory cortex is located in the ________.
A. temporal lobe B. parietal lobe C. insula D. frontal lobe