The term interface can be used to describe the surface across which molecules and ions are exchanged, often diffusing between external and internal environments or between organ systems
What part of the respiratory system forms the interface between the respiratory system and the circulatory system? A) Alveoli
B) Trachea
C) Pharynx
D) Bronchioles
A
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When one portion of a chromosome becomes physically part of another chromosome, the type of mutation is referred to as a(n)
A) nonsense mutation. B) inversion. C) translocation. D) duplication. E) nonstop mutation.
A calcareous structure associated with sensory receptors are: a. Ampullae of Lorenzini
b. otoliths. c. neuromasts. d. maculae.
Choanoflagellates have been important for the study of cell communication evolution because
choanoflagellates have:a. signal transduction pathways unlike those in other bacteria. b. signaling molecules similar to those of other protists. c. signal transduction pathways that interfere with the cells they infect. d. protein kinases similar to those in animals. e. G proteins different from those in prokaryotes.
The complementary base that hydrogen bonds with thymine in a DNA double helix is ________
A) uracil B) thymine C) guanine D) adenine E) cytosine