A chemical produced in a cell that activates specific processes in response to a hormone interaction with a membrane-bound receptor is referred to as a/an ________.
A. messenger RNA
B. hormone response element
C. intracellular mediator
D. transcription factor
Answer: C
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LH is also referred to as a gonadotropin
Indicate whether the statement is true or false
Why is smooth muscle called by that name?
A) There are no collagen fibers in smooth muscle. B) The actin and myosin filaments are not organized. C) There are no receptors embedded in its cell membrane. D) The tissue is soft to touch. E) This tissue is not crumpled like other muscle tissues.
The trachea allows for the passage of large masses of food through the esophagus due to:
The size of the trachea the elasticity of the ringed tracheal cartilages distortion of the esophageal wall the C-shaped tracheal cartilages none of the choices are correct
Which of the following is the correct sequence of events in the healing of a bone fracture?
A. Bone remodeling ? soft callus formation ? hard callus formation ? hematoma formation B. Hematoma formation ? hard callus formation ? soft callus formation ? bone remodeling C. Soft callus formation ? hard callus formation ? hematoma formation ? bone remodeling D. Hematoma formation ? soft callus formation ? hard callus formation ? bone remodeling E. Bone remodeling ? hard callus formation ? soft callus formation ? hematoma formation