Carbohydrates contain carbon, hydrogen, and oxygen in which of the following ratios?
A. 2:1:2
B. 1:1:1
C. 1:2:1
D. 2:1:1
Answer: C
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In which of the following would the motor units have the fewest muscle fibers?
A) muscles of the neck B) postural muscles of the back C) muscles that control the eyes D) thigh muscles E) calf muscles
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.
In the formula v2 = v1 , what is known about acceleration?
A. acceleration = -9.81 m/s2 B. acceleration = 0 C. both A and B D. need more information
Glycolipids would contain both lipids and ________.
A. cholesterol B. proteins C. electrolytes D. carbohydrates E. amino acids