Which type of reactions are involved in ATP production?
A. Oxidation-reduction reactions
B. Combustion reactions
C. Single replacement reactions
D. Neutralization reactions
Answer: A
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Each gustatory cell extends ________ (or taste hairs) into the surrounding fluids through a narrow taste pore
A) papillae B) flagella C) cilia D) microvilli
In the diagram, where would you find stored Ca2+?
a) B b) D c) G d) F e) K
Answer the following statements true (T) or false (F)
1. A solution with a pH of 4 has 100 times more H+ ions than a solution with a pH of 2. 2. A solution with a pH of 3 has 10 times more H+ ions than a solution with a pH of 4. 3. A solution that has a greater concentration of OH– ions than H+ ions would be called a base. 4. A strong acid added to a solution would raise the pH more than the same amount of a weak acid added to the solution. 5. When a neutralization reaction occurs between a strong acid and base, one of the end products is water.
Which affects osteoblast and osteoclast activity?
A. Gravity B. Mechanical stress C. Calcitonin and parathyroid hormone levels D. Blood calcium level E. All of the choices are correct.