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Genrish500 [490]
2 years ago
6

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 end plate. 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? curare is a poisonous plant extract. 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. what do you think the symptoms of curare poisoning would look like?
Biology
1 answer:
Novosadov [1.4K]2 years ago
5 0
Curare will bind to the receptor but it doesn't cause the ion to flow inside. This will prevent the person from sent signal to the muscle. When the person trying to move the muscle, curare will also prevent acetylcholine to bind so there will be no muscle contractions. The symptoms would be paralyzed of muscle that uses ach receptor.
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50 POINTS
lapo4ka [179]

City-state government was often conquered because they did not have enough resources to protect themselves

Explanation:

A city-state government is an independent autonomic political system which usually compromises just a single independent city which is governed by itself with sovereignty over its territory. The city-states like Greece, Italy, and Rome etc became very powerful.

The main reason for these city-states being conquered more was the accumulation of wealth and aristocracy in such states.

Heavy taxes, religion, slavery also lead to social unrest and conflicts among these city-states which made them weaker.  These internal conflicts also made them lose their resources and vulnerable to be conquered by other powerful empires.

With the increasing power of neighboring states, like in the case of Rome and Greece, the Romans became mightier than Greeks at one point and conquered the Greek city-states.

6 0
3 years ago
The division of human cells consists of a series of events, collectively called ________, or nuclear division, and ________, or
boyakko [2]

Answer:

mitosis; cytokinesis

Explanation:

See https://humanbiology.pressbooks.tru.ca/chapter/4-13-mitosis-and-cytokinesis/

5 0
1 year ago
During childbirth, a woman will experience muscle contractions in her uterus in response to pressure generated by the fetus. As
lesya692 [45]

Answer:

here

Explanation:

In a negative feedback loop, an increase in a factor will result in a change in the body that'll reduce the value of this factor to the set point.

For example, an increase in the blood glucose levels after a meal will cause an increase in the levels of insulin in the blood which will lower the glucose levels.

However, in this example, an increase in the pressure generated by the fetus also increases the frequency of uterus contractions. So the more the pressure, the more the contractions.

7 0
2 years ago
A mite is a tiny organism that may "ride" on top of an insect such as a beetle in order to move quickly from place to place.
Whitepunk [10]

Answer: the beetle is neither harmed nor helped by the mite.

Explanation:In this case, the mite benefits because it gains transportation from the beetle. If the beetle is neither harmed nor helped by the mite, then the relationship between the mite and the beetle would be an example of commercialism.

5 0
3 years ago
Read 2 more answers
Put the steps of transcription in order
Komok [63]

Answer:

1. RNA polymerase binds to the promoter.

2. DNA strands are unwound and separated

3. The complementary RNA nucleotides are added.

Take a look at the attached picture. First, the RNA polymerase must bind to the promoter region to initiate the whole process. DNA must be unwound by DNA helicase, then it will make the RNA transcript, which consists of adding the complementary RNA nucleotides to the DNA strand. Then the transcript leaves the nucleus and begins translation.

5 0
3 years ago
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