Which of the following components of the lung secretes a lubricating substance that allows the lung tissues to separate when inflated?
A. Bronchial tube
B. Capillary endothelium
C. Basement membranes
D. Respiratory membrane
E. Alveolar epithelium
Answer: E
You might also like to view...
Through initial observation, research led by Naud and Hanlon showed that the main adaptation in behavior, that increases reproductive success of a male in the cuttlefish Sepia apama, is
A. None of the answer choices is correct. B. to change color and mimic another female, because the females are solitary and do not allow any males near them. C. an altruistic trade, in which females allow a large male to mate with them in exchange for protection from predators during the vulnerable gestation period. D. guarding the females from subsequent mating attempts by other males. E. the use of the male's arms to sort and mix the eggs and sperm, to ensure successful fertilization before he leaves the female.
Speciation occurs
a. after populations become reproductively isolated. b. when mutations generate observable differences. c. when transitional forms develop between different populations. d. when natural selection pressures reach their maximum. e. with all of these
Ionizing radiation is more effective than nonionizing radiation in killing or inactivating microbes.
Answer the following statement true (T) or false (F)
In the hippurate hydrolysis test, what are some of the end products produced?
A. Sodium hippurate and hippuricase B. Ninhydrin and sodium C. Sodium benzoate and glycine D. Hippuricase and ninhydrin