Identify the correct pathway for signal flow between neurons in the vertebrate nervous system
a. stimulus, sensory neurons, interneurons, motor neurons, effectors
b. effectors, sensory neurons, interneurons, motor neurons, stimulus
c. sensory neurons, stimulus, interneurons, motor neurons, effectors
d. motor neurons, interneurons, stimulus, sensory neurons, effectors
e. motor neurons, sensory neurons, stimulus, interneurons, , effectors
ANSWER: a
You might also like to view...
Some chrysophytes (or "golden algae") are actually chemoorganotrophs rather than phototrophs
Indicate whether the statement is true or false.
Oxytocin and cholecystokinin are transported through the bloodstream and arrive at the uterus at the same time. Oxytocin causes the uterus to contract, whereas cholecystokinin has no effect. Why?
A. The uterus has receptors for oxytocin, but not for cholecystokinin. B. Oxytocin blocks the activity of cholecystokinin. C. Oxytocin alters gene expression patterns, whereas cholecystokinin does not. D. Oxytocin is able to diffuse through the plasma membrane of uterine cells, whereas cholecystokinin cannot. E. Oxytocin is at a higher concentration in the bloodstream than cholecystokinin.
Experiments in which electricity was discharged into a vessel containing hydrogen gas, water vapor, methane, and ammonia were conducted by ___________.
A. Pasteur B. Watson and Crick C. Miller and Urey D. Meselson and Stahl
Checkpoints in the cell cycle control system _________.
Fill in the blank(s) with the appropriate word(s).