MSG is often used as a seasoning to enhance the flavors of meat, fish, and vegetables. Which type of taste receptor cell responds to MSG?
A) Bitter B) Sweet C) Umami D) Salty E) Sour
C
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The Ames test
A. is used to measure levels of oxygen free radicals. B. is used to measure the repair of thymine dimers. C. can be used to measure the mutagenicity of chemicals. D. None of the choices are correct.
The hemoglobin molecule
A. has four subunits of two types. B. has two subunits that can be formed from four types. C. is involved in amino acid metabolism. D. acts as a cell surface receptor. E. is controlled by a single gene.
In the United States, parathion is the most widely used member of a class of ____
a. organophosphate herbicides b. organophosphate insecticides
c. chlorophosphate fungicides d. chlorophosphate herbicides e. chlorophosphate insecticides
How does chemotherapy kill cancer cells, and why might it also result in hair loss and nausea?
What will be an ideal response?