Describe the organization of the pH scale, including the locations of acids, bases, and neutral chemicals
What will be an ideal response?
The pH scale ranges from 0 to 14. Acids are situated below 7 while bases or alkaline substances are found above 7. The more hydrogen ions present in solution, the lower the pH of the chemical. At a pH of 7, a chemical is said to be neutral as equal amounts of hydrogen and hydroxide ions are released.
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When adenylyl cyclase is activated,
A) cAMP is formed. B) protein kinases are metabolized. C) calcium ions are released from intracellular stores. D) steroids are produced. E) cAMP is broken down.
What is the first source for supplying additional ATP when exercise begins?
a. oxidative phosphorylation b. glycolysis c. lactate d. creatine phosphate e. chondroitin
Erythrocytes function in the transport of CO2 by
a. containing carbonic anhydrase, which catalyzes the interconversion of CO2 and bicarbonate. b. containing hemoglobin, which binds CO2 to the iron portion. c. containing hemoglobin, which binds CO2 to the protein portion. d. both containing carbonic anhydrase and binding CO2 to the iron portion. e. both containing carbonic anhydrase and binding CO2 to the protein portion.
What best exemplifies enzymatic hydrolysis?
A) mastication B) absorption C) nutrient breakdown D) segmentation