Which of the following represents a descending neural tract?
a. Spinothalamic
b. Spinocerebellar
c. Corticospinal
Posterior (dorsal) column
Answer: c. Corticospinal
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Why does the pyramidal cell, above, illustrate the concept of information integration in the nervous system?
A. It has many dendrites and a single axon. B. It has a cell membrane. C. It is an excitable cell. D. It has a nucleus, in which transcription and translation occur. E. It has many dendrites and a single axon; it has a cell membrane; it is an excitable cell; and it has a nucleus, in which transcription and translation occur. F. All of these are parameters of the pyramidal cell that illustrate the concept of information integration.
The quality of food herbivores ingest is relatively nutrient rich, therefore their digestive systems are
relatively simple.
Indicate whether the statement is true or false.In the future, drugs may block which microbial communication process to effectively treat infections?
What will be an ideal response?
Senescence in plants usually involves
A) the presence of cytokinins. B) the development of photosynthetic enzymes. C) the formation of an abscission layer. D) shade from other plants. E) apical dominance.