Jim and Pam are at the beach soaking up the sunlight when Pam notices that Jim's feet are very callused and hers are not. What would cause Jim's feet to be callused, while Pam's are not?
What will be an ideal response?
The stratified squamous epithelium of the skin (like many other tissues) responds to the stresses applied to it. The most likely scenario is that Jim puts more weight on his feet and is more active than Pam, resulting in more stress being applied to his feet. As a result, the stratified squamous epithelium of the soles of his feet has thickened.
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A human cell that has 47 chromosomes is
A. polyploid. B. trisomic. C. monosomic. D. euploid.
A young sheep 3-7 months of age is a _____________________________
Fill in the blank(s) with correct word
Define the underlined terms in the following case study. The clinic admitted for observation a Rattus rattus specimen believed to have been domesticated following research use. According to the owner, the rodent, which was an albino, had been having difficulty acclimatizing. In addition, the owner expressed concern that, despite its former axenic surroundings, the specimen was a vector arising
from its laboratory use. What will be an ideal response?
The most superficial meningeal layer is
A. the pia mater. B. the arachnoid layer. C. the dura mater. D. the epidural sinus. E. the skull.