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Yuri [45]
3 years ago
12

La conducción saltatoria del impulso nervioso presenta mas ventajas que la continua por que

Biology
1 answer:
Orlov [11]3 years ago
7 0
La conducción saltatoria es más rapida que la conducción continua ya que su axón mielinizado transmite mucho mas rapido el impulso nervioso que uno no mielinizado.
El diametro del axón también influye en la conducción del impulso. Los axones de mayor diametro propagan impulsos nervioso a mayor velocidad que los axones de menor diametro. A mayor diametro existe una mayor superfice de membrana en donde se produce el desplazamiento de iones.
La conducción saltatoria utiliza menos energía que la conducta continua.
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Which is an example of an insertion mutation that changes all of the amino acids that follow the mutation?
astra-53 [7]

Answer:


2) CAG - TTC - ACG mutates to CAG - TTC - ACC - ACG

Explanation:

Insertions are mutations in which extra base pairs are inserted into a new place in the DNA. The number of base pairs inserted can range from one to thousands!

In option no. 1: We see that there is not addition of a single or more than one base, but the new base sequence is different from the original sequence at three places i.e: TTA - CAC - G

In option no. 2: The insertion of three bases ACC has been made exactly after TTC, the whole sequence and arrangement of bases remain same except this insertion.


In option no. 3: The first base of the sequence T is replaced with A, and all other sequence is same. This type of mutation is called substitution in which one base is replaced by other.


In option no. 4: The last base of the sequence C is deleted, and is not present in new sequence. This type of mutation is called deletion in which a base is removed from the sequence.


Conclusion: Therefore, the best option is 2, in which whole codon is inserted in the DNA base sequence.



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3 years ago
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Positive affect" refers to one’s propensity to experience positive emotions and interact with others and with life’s challenges in a positive way. Conversely, "negative affect" involves experiencing the world in a more negative way, feeling negative emotions and more negativity in relationships and surroundings.

These two states are independent of one another, though related; someone can be high in positive and negative affect, high in just one, or low in both. Both states affect our lives in many ways, particularly when it comes to stress and how we handle it.

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Plant A would have one allele from each parent, so the leaf color will be the dominant one.

Plant B would have a more complex percentage for traits. And it'll probably "cancel-out" some alleles only showing the info given in one of them.



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