Select the most complete explanation of what the pH scale measures
A) The acidity of a solvent
B) The alkalinity of a solvent
C) The concentration of hydrogen ions in a solution
D) The concentration of hydroxide ions in a solute
C
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Clonal anergy is a state of
A) antibody production. B) high energy. C) unresponsiveness. D) high energy and antibody production.
Triglycerides are stored primarily in ____ tissue.
A. nervous B. epithelial C. muscular D. adipose E. cardiac
What drives the return of blood to the heart in the systemic veins?
A) Ciliated cells lining the inside of the veins B) Muscles squeezing blood through the veins C) The lymphatic system D) Contractions of the left auricle
Which organism is most likely to have a type III survivorship curve?
A. A domestic dog B. Paramecium C. Corn in a farmer's field D. An oak tree