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pnb Top Questions and CORRECT Answers
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[Show more]homeostasis - dynamic steady state; small fluctuations around the set point 
negative feedback - response returns regulated variable toward set point (response 
removes stimulus), closed loop used for homestasis 
positive feedback - response to the effector reinforces the stimulus; promotes useful ...
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Add to carthomeostasis - dynamic steady state; small fluctuations around the set point 
negative feedback - response returns regulated variable toward set point (response 
removes stimulus), closed loop used for homestasis 
positive feedback - response to the effector reinforces the stimulus; promotes useful ...
Animals (Kingdom Animalia) - organism that feeds on organic matter, typically having 
specialized sense organs and nervous system, and able to respond rapidly to stimuli - this is 
very hard to define as there is many exceptions 
kingdoms of multicellular organisms - animalia, plants, fungi 
why d...
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Add to cartAnimals (Kingdom Animalia) - organism that feeds on organic matter, typically having 
specialized sense organs and nervous system, and able to respond rapidly to stimuli - this is 
very hard to define as there is many exceptions 
kingdoms of multicellular organisms - animalia, plants, fungi 
why d...
Which statement is true? 
a. Heme is commonly found within seawater 
b. Heme-based proteins played a key role in the metabolism of carbon dioxide into forms less 
toxic to cells. 
c. Heme-based proteins likely developed as a means by which Fe was transported safely. 
d. Oxygen binding to heme is i...
Preview 3 out of 19 pages
Add to cartWhich statement is true? 
a. Heme is commonly found within seawater 
b. Heme-based proteins played a key role in the metabolism of carbon dioxide into forms less 
toxic to cells. 
c. Heme-based proteins likely developed as a means by which Fe was transported safely. 
d. Oxygen binding to heme is i...
The motor activity of the muscularis externa is controlled by the - myenteric plexus 
Which of the following are true regarding the secretion of HCl? (choose all that apply) 
a.) The H, K ATPase, also known as proten pump is present on the apical membrane of the 
parietnal cells. 
b.) As a by-prod...
Preview 3 out of 23 pages
Add to cartThe motor activity of the muscularis externa is controlled by the - myenteric plexus 
Which of the following are true regarding the secretion of HCl? (choose all that apply) 
a.) The H, K ATPase, also known as proten pump is present on the apical membrane of the 
parietnal cells. 
b.) As a by-prod...
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