Where are receptors for the chemical senses located?
A. in the organ of Corti and saccule
B. in the cochlea and lateral geniculate nucleus
C. in the skin and tendons
D. in the tongue and nose
E. in the fovea and semicircular canals
D
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The corticospinal system controls fine, discrete, voluntary body movements
Indicate whether the statement is true or false
Viral-blocking enzymes
a. are produced by cells invaded by virus b. are produced by cells in response to binding with interferon c. may be produced by cells not yet invaded by a virus d. have all of the above characteristics e. have only characteristics a and c
What type of skin cancer is seen most often in patients with AIDS?
A. Squamous cell carcinoma B. Melanoma C. Kaposi's sarcoma D. Basal cell carcinoma
If the products of a chemical reaction contain less potential energy than the reactants,
A. energy has been stored in the molecular bonds of the product. B. energy has been released by the breaking of molecular bonds. C. the reaction will be reversible without additional energy input. D. a synthesis reaction is likely to have occurred. E. All of these choices are correct.