The largest annual movement of carbon between reservoirs occurs ____.
A. from plants to atmosphere
B. from soil to atmosphere
C. from atmosphere to ocean
D. from atmosphere to plants
E. from ocean to atmosphere
Answer: D
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Which of these statements about hypertension is true?
A. Blood pressure is less than 120/80. B. Poor diet and lack of regular exercise puts one at increased risk. C. Sickle-cell anemia often accompanies this condition. D. Most Americans with the condition seek treatment. E. Atherosclerosis is another name for this condition.
Describe three genetic mechanisms whereby proto-oncogenes can become overexpressed
What will be an ideal response?
Humans are the only hosts of Rickettsia rickettsii.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1. The gelatin test requires refrigeration before incubation in order to correctly evaluate the result. 2. An indirect ELISA will only be positive if the patient has an active infection. 3. In an ELISA, the enzyme is conjugated to antibodies from the patient's serum. 4. Mycobacterium smegmatis is expected to be colored blue at the end of a successfully complete Acid-Fast stain. 5. A negative stain begins with a heat fixed smear.