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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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Howard is explaining the process by which DNA determines the structure of proteins. His explanation includes this statement. "Th
andrew-mc [135]

Answer:

Transcription and RNA processing (splicing)

Explanation:

Although Howard is almost right, the DNA sequence does not precisely relate to the protein sequence. First of all, the DNA is transcribed to an primary mRNA molecule. Bur before the mRNA is ready to be translated into an amino acid sequence, it must be processed into a mature mRNA.

This includes adding a 3' poly A tail, and a 5' cap, and importantly for this question, splicing.

Splicing is the removal of non protein coding intermediate sequences called introns from the protein coding regions (exons) of a primary mRNA. This means that lots of the DNA sequence is not dictated by the final protein, as many of the intervening sequences have been removed by splicing.

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3 years ago
When talking about stress, the definition of 'the body's efforts to restore normalcy' describes: select one:
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C..because the the definition of the body's efforts to restore norma
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3 years ago
The downfall of a tragic character is the result of __________.
ki77a [65]

The downfall of a tragic character is the result of <u>"a tragic flaw".</u>


The term hero is gotten from a Greek word that implies a man who faces affliction, or shows strength, despite risk. Nonetheless, at times he faces ruin too. At the point when a hero goes up against destruction, he is perceived as a tragic hero. Aristotle, the Greek philosopher, portrays these plays or stories, in which the principle character is a shocking saint, as disasters. Here, the hero goes up against his ruin whether because of destiny, or by his own oversight, or some other social reason.  

Hamartia refers to a tragic flaw that causes the downfall of a hero.

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3 years ago
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Scientists’ understanding of the role and function of DNA has built up over time. How did the findings from Hershey and Chase’s
mr_godi [17]

Answer:

Hershey & Chase concluded. after the experiment that the genetic material that is passed from virus to the bacteria is not the protein coat but DNA. It proves the DNA is the genetic material and not the protein.

After labelling the Phage DNA and protein, Hershey and Chase performed a series of experiments like infection, blending and centrifugation. Hershey and Chase gave full evidence of the DNA being a genetic material by their experiments. To perform the experiment, Hershey and Chase have taken T-2 bacteriophage (invaders of E.coli bacteria).

Explanation:

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When conducting scientific research, any information that is found must be analyzed to determine its validity. Joel is a firm be
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3 years ago
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