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kvasek [131]
3 years ago
11

Curare is a poisonous plant extract. Curare molecules have a chemical structure like the neurotransmitter ACh. Curare can bind t

o the ACh receptor site on the chemically gated ion channels in the motor endplate. Even though curare will bind to the receptor site it will not open the ion channel and no ions will pass through. What do you think the symptoms of curare poisoning would look like?
Biology
1 answer:
gayaneshka [121]3 years ago
8 0

Answer:Curare molecules have a chemical structure like the neurotransmitter ACh. Curare can bind to the ACh receptor site on the chemically gated ion channels in the motor end plate. Even though curare will bind to the receptor site it will not open the ion channel and no ions will pass through. hope this helps ! :)

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classify the following characteristics and examples depending on what model of speciation is described.
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The classification of the characteristics and examples based on the model of speciation that is being described are as follows:

  1. <u>Allopatric Speciation:</u> speciation that is based on geographic isolation.
  2. <u>Sympatric Speciation:</u> organisms are reproductively isolated by postzygotic mechanisms and evolve into different species.
  3. <u>Allopatric Speciation:</u> organisms in different locations are subject to different selective pressures and evolve into different species.
  4. <u>Sympatric Speciation:</u> speciation that does not require geographic isolation.
  5. <u>Sympatric Speciation:</u> bread wheat evolved from two species of wheat with different chromosome numbers.

<h3>What is speciation?</h3>

Speciation can be defined as an ecological and biological process through which new species of a living organism are formed, especially due to isolation of a part.

<h3>The types of speciation.</h3>

In Science, there are five (5) major types of speciation and these include the following:

  1. Allopatric Speciation
  2. Peripatric Speciation
  3. Parapatric Speciation
  4. Sympatric Speciation.
  5. Artificial Speciation.

Read more on allopatric speciation here: brainly.com/question/4493180

#SPJ1

<u>Complete Question:</u>

Classify the following characteristics and examples depending on what model of speciation is described.

Allopatric Speciation  Sympatric Speciation

Speciation that is based on geographic isolation

Organisms are reproductively isolated by postzygotic mechanisms and evolve into different species

Organisms in different locations are subject to different selective pressures and evolve into different species  

Speciation that does not require geographic isolation

Bread wheat evolved from two species of wheat with different chromosome numbers

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