___________ is a master regulator gene whose mRNA product accumulates at one end of a fly egg, resulting in a concentration gradient of the protein product after fertilization.
Fill in the blank(s) with the appropriate word(s).
Bicoid
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You want to get rid of your cough and stuffy nose, and a friend offers you a cup of tea. After you drink the tea, you realize that you are feeling relief from your symptoms. What plant compound was most likely found in the tea?
A) quinine B) codeine C) menthol D) salacin E) morphine
The C. burnetii, an acute systemic infection, primarily affects the lungs and can exist in two antigenic states. The reference method that is both highly specific and sensitive and is recom-mended for identification is:
a. immunofluorescent antibody (IFA). b. direct fluorescent antibody (DFA). c. Western blot. d. latex agglutination.
The three main forms of nitrogenous wastes found in animals are
A. ammonia, urea, and uric acid. B. ammonia, urea, and uracil. C. ammonia, urea, and amino acids. D. uracil, urea, and uric acid. E. amino acids, uracil, and uric acid.
What hormone, secreted by the stomach, increases the secretion of acids by cells of the stomach lining?
a. amylase b. gastrin c. pepsin d. pepsinogen e. insulin