In total, a sensory system includes:
a. a sensory receptor
b. nerve pathways from the receptor to the brain
c. brain regions where the sensory information is processed
d. a sensory receptor and nerve pathways from the receptor to the brain only
e. a sensory receptor and nerve pathways from the receptor to the brain regions that process the information
e
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The plots that were staked out on the island were part of the:
A. applied research. B. basic research. C. experimental design. D. constructed model.
Sperm are produced in which of the following structures?
A. seminiferous tubules B. seminal vesicles C. epididymis D. vas deferens E. prostate gland
Which of the following statements does not represent the role of a cell marker in the third line of defense?
A. They serve as transcription factors to initiate antibody production. B. They receive and transmit signals to coordinate the immune response. C. They are attachment sites for foreign molecules. D. They serve as recognition factors for self and nonself molecules.
A population of worms is growing exponentially in a compost heap. Thirty days ago there were 400 worms and now there are 800 . How many worms will there be thirty days from now, assuming conditions remain constant?
What will be an ideal response?