In ______, a cell increases the number of hormone receptors and becomes more sensitive to the hormone
A.
amplification
B.
positive feedback
C.
down-regulation
D.
up-regulation
D
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When follicular cells of the thyroid are stimulated to secrete thyroid hormone (TH), they take up TH precursors from the inside of the follicle, transport and enzymatically modify them within a lysosome, and release TH to the blood
Indicate whether this statement is true or false.
How can DNA be used to "fingerprint" a suspect in a crime?
What will be an ideal response
Billy can make only one type of antibody for the ABO blood group and he cannot make the antibody for the Rh factor. Which blood type(s) can you be sure cannot be given safely to Billy?
a. O+ b. AB- c. B+ d. A+ e. O-
What type of chemical messenger will act locally on nearby cells?
A. paracrine B. neurotransmitter C. autocrine D. endocrine