Hormones that stimulate endocrine glands to release other hormones are
A) humoral.
B) tropic.
C) reflexive.
D) up-regulators.
E) paracrine factors.
B
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A) The weight of the endolymph contained within the semicircular canals against the maculae is responsible for static equilibrium. B) Hair cells of both types of equilibrium hyperpolarize only, resulting in an increased rate of impulse transmission. C) Cristae respond to angular acceleration and deceleration. D) Due to dynamic equilibrium, movement can be perceived if rotation of the body continues at a constant rate.
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Indicate whether the statement is true or false
The human genome consists of approximately 3.2 billion base pairs. Protein-coding genes represent ________ of the total genome.
A) 25 B) 10 C) 2 D) 50 E) 99
To which of the following would the immune system NOT respond?
a. decreased levels of blood flow at the kidney b. influenza virus c. cancerous cell in the lung d. physical injury (penetration of a foreign object) to the skin e. a parasitic worm