What property do insulators demonstrate that greatly hinders movement of electrical charge?
a. high resistance
b. low resistance
c. high conductance
d. low conductance
e. absence of electrons
a
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Citrus fruit is a good source of fat-soluble vitamins
Indicate whether this statement is true or false.
Low-grade fever is an effective defense for short periods of time because it
A) includes pyrogens that destroy the pathogens. B) slows the attack of phagocytes. C) increases temperature, which slows the growth of bacteria. D) increases iron in the blood.
What does gastrulation accomplish?
A) formation of the three germ layers B) implantation of the blastocyst into the endometrium C) formation of the primitive streak D) differentiation of germ layers into organs and organ system
Match the specific receptor to its typical stimulus.
1. texture 2. flutter 3. stretch 4. vibration 5. temperature A. free nerve ending B. Merkel receptor C. Meissner's corpuscle D. Ruffini corpuscle E. Pacinian corpuscle