Chemicals that signal the same cell that made them are called ________ messengers, while those that signal nearby cells are called_____ messengers.
A. paracrine; endocrine
B. autocrine; paracrine
C. endocrine; pheromone
D. allomone; autocrine
E. pheromone; prostaglandin
Answer: B
You might also like to view...
?insulin plays a role in long-term control of body weight
Indicate whether the statement is true or false
A period in which breathing has stopped, followed by a forceful expulsion of air, is termed
A) respiratory distress. B) anoxia. C) hypoxia. D) apneustic breathing. E) apnea.
Eicosanoids are an important class of regulatory molecules; what chemical class do they belong to?
A. steroids B. proteins C. carbohydrates D. fatty acids E. amino acids
The principal functions of the __________ system include the absorption of oxygen, discharge of carbon dioxide, maintaining the acid-base balance, and speech.
Fill in the blank(s) with the appropriate word(s).