When the concentration of sodium in the blood becomes too high, hormonal mechanisms come into play to counteract this dangerous condition and return sodium to normal levels. This type of response is called ________

Fill in the blank(s) with correct word


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Biology & Microbiology

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Dental plaque (a biofilm), a first stage in tooth decay, consists of  

A.  sugars. B.  bacteria surrounded by a polysaccharide matrix. C.  fluoride. D.  lactic acid. E.  bacteria and high pH.

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The end product of glycolysis is

a. acetyl-CoA. b. oxaloacetate. c. pyruvate. d. citrate. e. acetyl-CoA and oxaloacetate

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When these enzymes bind to a restriction site, they cut the DNA molecule into two molecules. 

A. polymerases B. ligases C. restriction enzymes D. helicases

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Which of the following microbial control methods result in the most rapid decrease in microbial numbers.

A) Antisepsis B) Sanitation C) Disinfection D) Sterilization

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