Hormones often cause a cell to elicit multiple responses; this is because ________
A) during protein kinase activation, enzymes phosphorylate many other enzymes
B) there are thousands of receptors on the cell membrane
C) the receptors bind to several hormones at the same time
D) the protein kinases are rapidly metabolized into functional amino acids
A
You might also like to view...
Consider the following list of commonly found items and their pH values:Battery acid (1.0), vinegar (2.2), grapes (3.5-4.5), tomato (4.0-4.5), beer (4.2), coffee (5.0), white bread (5.0-6.0), butter (6.1-6.4), egg whites (7.6-8.0), baking soda (8.3), milk of magnesia (10.6), bleach (12.8)Which of the following is closest to the pH of water?
A. Baking soda B. Grapes C. White bread D. Egg whites
The standard treatment for Parkinson's disease is the administration of
a. hypocretin b. pure dopamine c. nitric oxide d. neuregulin e. levodopa
A(n) ________ is any substance capable of mobilizing our immune system and provoking an immune response
A) interferon B) antibody C) antigen D) pyrogen
All of the following are true of a stereomicroscope, except
A. it can be used to view an object 3-dimensionally. B. it provides less magnification than a compound light microscope. C. it can also be called a dissecting microscope. D. the image of the specimen is reversed and inverted. E. it is used to view large, opaque specimens.