Which of the following statements concerning pulmonary surfactant is incorrect?
a. pulmonary surfactant is secreted by Type II alveolar cells.
b. pulmonary surfactant is deficient in newborn respiratory distress syndrome.
c. pulmonary surfactant promotes elastic recoil of the lungs.
d. the cohesive force between a water molecule and an adjacent pulmonary surfactant molecule is much lower than the cohesive force between two adjacent water molecules.
e. pulmonary surfactant reduces surface tension.
C
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a. 60 b. 72 c. 90 d. 108 e. 120
In which type of reaction are water molecules split off as peptide bonds are formed?
Glycolysis Lipolysis Hydrolysis Dehydration synthesis
A person with type B blood can receive blood from blood type(s) ________
A) AB, B B) B, O C) A, B, AB, O D) B, O, AB