#Question id: 11537
#Zoology
Testosterone is an example of a chemical signal that affects
the very cells that synthesize it, the neighboring cells in the testis, along
with distant cells outside the gonads. Thus, testosterone is an example of
________.
#Question id: 11538
#Biochemistry
Prostaglandins are local regulators whose chemical structure is derived from ________.
#Question id: 11539
#Biochemistry
Aspirin and ibuprofen both ________.
#Question id: 11540
#Biochemistry
A cell with membrane-bound proteins that selectively bind a specific hormone is called that hormone's ________.
#Question id: 11541
#Biochemistry
The steroid hormone aldosterone affects only a small number of cells in the body because ________.
#Question id: 11542
#Biochemistry
Different body cells can respond differently to the same polypeptide hormones because ________.