Which of the following would be characterized as a juxtacrine signal?
A)contact-dependent
B)endocrine
C)self-responding
D)distal neighbors
E)both choices B and D

Question

Quizplus · Accepted Answer

Juxtacrine signaling involves cellular communication through direct physical contact, which is also known as contact-dependent signaling. Choice A is the only option that describes contact-dependent signaling, making it the best choice for a juxtacrine signal. Endocrine signaling (choice B) involves the secretion of hormones into the bloodstream, while choice C ("self-responding") and choice D ("distal neighbors") do not relate to the concept of juxtacrine signaling. Choice E includes both endocrine and "distal neighbors," neither of which match the juxtacrine signaling criteria.

Which of the Following Would Be Characterized as a Juxtacrine