The internal (intracellular) receptor for steroid hormones acts as a transcription factor. Therefore, the cellular response to a steroid would be expected to include
a. an increase in mRNA produced from specific genes.
b. an increase in protein production, representing specific gene products.
c. both of these.
d. neither of these.
C
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Order the items that describe the sensation pathway for taste.a: Primary axons pass along cranial nerves VII and IXb: Primary neurons synapse in the nucleus solitariusc: Secondary neurons synapse in the thalamusd: Tertiary neurons travel to the cerebral gustatory cortex
A. c, d, a, b B. b, c, a, d C. a, b, c, d D. a, d, b, c E. d, c, b, a
The primary motor cortex is connected with motor neurons in the brain stem and spinal cord, and ascending sensory information is carried to the thalamus by (the)
A) cerebral peduncles. B) inferior colliculi. C) red nucleus. D) tectum. E) None of the answers are correct.
What does structure "E" represent on the diagram?
A. Arrector pili B. Sebaceous gland C. Epidermis and dermis D. Subcutaneous tissue E. Hair follicle
The sympathetic division of the ANS reduces blood flow to which of the following?
A. The brain B. The skin C. The skeletal muscles D. The heart E. The lungs