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expeople1 [14]
3 years ago
9

When neurons are not producing electrical signals

Biology
1 answer:
balu736 [363]3 years ago
8 0

When neurons are not producing electrical signals we say that they are at resting phase: voltage across their membrane is called the resting membrane potential, or the resting potential.

This potential is determined by the concentration of ions (Na, K) across the membrane and by membrane permeability to each type of ion. While the ions move through channels down their gradients they lead to a separation of charge and that is what creates the resting potential.

The membrane of the neuron is much more permeable for K ions so the resting potential is close to the equilibrium potential of K+.

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If a particular gene is located on the Z chromosome of this lizard species, describe why a lizard with a ZW genotype has a great
Alenkasestr [34]

Answer:

ZZ species will take more number of crosses to produce a recessive offspring.

Explanation:

Here Z seems to be the dominant allele.  A species having ZZ or homozygous dominant genotype shall not express the recessive phenotype until unless it has both recessive allele and this is not possible as of now or is dependent on the genotype of mating species and the number of generations of development.

If ZZ mates with WW, the offspring in F1 generation will have genotype ZW

However, if the offspring in the F1 generation are crossed then in next generation we could see organism with recessive phenotype i,e WW

ZW*ZW

ZZ, ZW, ZW, WW

While in case of organism having ZW type genotype, recessive phenotype will occur in the first generation cross with the ZW.

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3 years ago
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jasenka [17]
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P Flag question
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anzhelika [568]
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