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Dominik [7]
4 years ago
6

A complete pathway through the nervous system, beginning with a stimulus and ending with a response, is called a/n:

Biology
1 answer:
BaLLatris [955]4 years ago
5 0

Answer:

A. reflex arc  

Explanation:

The reflex arc is the immediate response to the excitement of a nerve without the will or consciousness of the animal, ie it is a stimulus that does not reach the brain, it receives response in the marrow.

Reflex arcs can be simple or complex depending on the number of components involved. In the case of complex reflexes we have several muscles responding to a stimulus, such as swallowing and scratching.  In simple reflexes, the components are smaller and usually the response is obtained in a single effector organ, such as in the stretch reflex, where a single muscle is recruited.

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Explanation:

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Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium?
polet [3.4K]

The following options are attached to the question given above:

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ANSWER

The correct option is A.

Endosymbiotic theory is a theory that talks about the evolution of eukaryotic cells from prokaryotic organisms. The theory proposes that mitochondria and plastids {chloroplast}, which are found in eukaryotic cells were once prokaryotic cells. Based on this theory, an endosymbiosis of a cell with a cynaobacterium would result in a eukaryotic cell that can manufacture its own food because it contains plastids.



6 0
3 years ago
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