The exchange of thermal energy between an animal and its environment can occur by
A) Conduction and convection.
B) Radiation.
C) Evaporation.
D) All of the above
Answer: D
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The epithelium of tonsilla palatina is:
(A) multistratified non - keratinizing epithelium (B) multistratified keratinizing epithelium (C) Henle's epithelium (D) Pseudostratified ciliated epithelium
A cell uses centrioles in the process of
A. protein synthesis. B. RNA replication. C. cell division. D. energy generation. E. nuclear centering.
Low frequency sound waves create the maximum displacement of the basilar membrane ________, where that membrane is ________.
A) in the middle, stiffer B) near the oval window, flexible C) near the oval window, stiffer D) near the helicotrema , stiffer E) near the helicotrema, flexible
In a child with rickets, the bones are prone to deformities caused by a lack of calcium, phosphate, or vitamin D. Which treated bone in Activity 2 most closely resembles the bones of a child with rickets? Why?
a. The bone treated with acid because the acid dissolves the calcium phosphate, making the bones less rigid and prone to deformation. b. The bone that was soaked in acid because the acid dissolves the collagen making the bone weaker. c. The bone that was baked because heat denatures the collagen proteins that are part of the bone matrix, making the bone brittle. d. The bone that was baked because the heat treatment softens the bone, making it more prone to deformation