Which of the following is true of both neurotransmitters and hormones?
A. They are both involved in paracrine signaling.
B. They both interact with receptors inside or on the surface of target cells.
C. They are both produced in glands.
D. They both travel through the bloodstream to target cells.
E. They both influence the activity of multiple organs simultaneously.
B. They both interact with receptors inside or on the surface of target cells.
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What is considered to be the limiting factor for the rare, lobefin coelacanth?
a. Depth b. Temperature c. Prey d. Habitat
Induced pluripotency is a term related to ___
A. producing stem cells from normal body cells B. cloning animals like Dolly the sheep C. the discovery of mutated genes that cause disease D. the decoding of the human genome E. the practice of eugenics
The reactions that occur in the thylakoid membranes are:a
the energy-releasing reactions. b. the photorespiration reactions. c. the sugar-producing reactions. d. the carbon fixation reactions. e. the light-dependent reactions
Endomycorrhizal fungi penetrate the plasma membranes of root cells
____________________ Indicate whether the statement is true or false.