Lipid-soluble chemical signals usually _______.

a. bind to receptors in the plasma membrane
b. cause phosphorylation of a cytoplasmic enzyme
c. bind to nuclear receptors
d. activate janus kinases


Answer: c. bind to nuclear receptors

Biology & Microbiology

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Vertebrae of the spinal cord are separated from each other by compressible, flat structures called ________ disks

Fill in the blank(s) with correct word

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