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xxTIMURxx [149]
3 years ago
7

Which pathway represents the most common sequence of information flow through a neuron?

Biology
1 answer:
love history [14]3 years ago
5 0

Answer:c. Dendrite → cell body → axon hillock → axon

Explanation:a neuron has many cytoplasmic extensions called dendrites.the dentrites enter into the cell body at one end . the cell body also leads to axon at the other end, which extends toward another dentrite.axon hillock connect the axon to the cell body.

Impulses are usually transmitted along the neuron in one direction.

From the dendrites to the cell body,to the axon hillock and then to the axon.

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Which of the following is NOT a characteristic of all living things?
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Answer:

movement

Explanation:

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2 years ago
Differences between food of male and female mosquito in detail<br>​
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A couple has three children, two without sickle cell anemia and one with sickle cell anemia. The mother has sickle cell anemia a
bezimeni [28]

Answer:

Explanation:

The sickle cell allele is recessive. Hence, in order for any child of the couple to have sickle cell anemia, such a child will have to inherit an affected allele each from the two parents. This means that both the father and the mother must have affected alleles in their genotypes. In other words, two sickle cell alleles are required for the abnormality to manifest.

Let us assume that the sickle cell allele is represented by S and the normal allele is represented by A.

Now, it is established that the mother has sickle cell anemia, her genotype would be SS. The father does not have sickle cell, his genotype can either be AA or AS.

Assuming the genotype of the father is AA:

          SS   x   AA

      AS   AS   AS   AS

<em>All the children would be normal in this case.</em>

Assuming that the genotype of the father is AS

           SS    x    AS

      AS   SS   AS   SS

<em>50% of the children would have sickle cell while the remaining 50% would be normal.</em>

<u>Therefore, in order to produce children with sickle cell, the father has to be AS, otherwise, he has to be AA.</u>

<u><em /></u>

6 0
3 years ago
When (blank) is released from a (blank) neuron and binds with receptors on the motor endplate, the muscle begins to (blank)
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Answer:

Explanation:

I think it is: acetylcholine (neurotransmitter) - motor neuron - contract

second question: diffusion because of opening of ca2+ channels

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A diploid number of chromosome is reduced to a haploid number
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Explanation:

In addition, in meiosis I, the chromosomal number is reduced from diploid (2n) to haploid (n) during this process. ... In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).

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3 years ago
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