List in order the steps associated with a reflex arc of the PNS.
What will be an ideal response?
1. The sensory receptor will detect the stimuli
2. Stimuli will travel down the axon of the sensory neuron through the dorsal root ganglion
3. It will pass through the dendrites of the sensory neuron and enter the interneuron
4. The interneuron will relay the impulse to the cell body of the motor neuron
5. The ventral root of the motor neuron will transfer the impulse through the axon
6. The impulse will eventually reach the effector and produce an action
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What class of neurons in the central nervous system sends commands to muscles?
A. afferent neurons B. efferent neurons C. peripheral neurons D. interneurons
Which of the following is not a modification to the mRNA before leaving the nucleus?
A. End capping B. Promoter binding C. Intron removal D. Exon splicing
Four of the five answers listed below are
related by a common association. Select the EXCEPTION.
a. archaea b. methanogens c. photoautotroph d. halophiles e. thermophiles
What would happen in an ecosystem without decomposers and detritus feeders?
What will be an ideal response?