The blue-ringed octopus, shown below, utilizes a venom called tetrodotoxin as a defense mechanism.Tetrodotoxin binds to sodium channels and blocks the passage of sodium ions. Based on this information, which symptom would most likely occur in an organism exposed to tetodotoxin?

A.
decreased appetite due to the production of hormones that indicate fullness
B.
paralysis due to lack of action potentials to signal muscle tissue
C.
increased heart rate due to increased nerve impulses to the heart muscles
D.
blindness due to proteins in the eyes denaturing and losing functionality

Answers

Answer 1
Answer:

Paralysis due to lack of action potentials to signal muscle tissue- this symptom most likely would occur in an organism exposed to tetrodotoxin.

The symptom occurs in an organism of tetrodotoxin:

Tetrodotoxin is a potent neurotoxin found in pufferfish, porcupinefish and blue-ringed octopus.

Has tetrodotoxin (TTX) in blue-ringed octopuses venom which causes pain and neurotoxic effects(paralysis) by inhabiting signal transduction by nerve cells through sodium channel blockade.

A dose of venom can shut down muscles such as those that keep you breathing and cause death within 30 minutes.

The correct answer is option B.

Learn more about tetrodotoxin, refer:

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Answer 2
Answer:

)B paralysis.    Tetrodotoxin works by inhibiting the firing of action potentials in neurons by binding to the voltage-gated sodium channels in nerve cell membranes and blocking the passage of sodium ions into the neuron. This prevents the nervous system from carrying messages, eventually leading to paralysis


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Answer:

Leukemia is cancer of the body's blood-forming tissues, including the bone marrow and the lymphatic system. Many types of leukemia exist. Some forms of leukemia are more common in children. Other forms of leukemia occur mostly in adults. Leukemia usually involves the white blood cells.

Which one of the following interspecies relationships has a negative effect on both species?

Answers

Since the options aren't given.
Parasitism. There are several types of biotic relationships that is occurring every single moment in the ecosystem and one is parasitism. In this scenario with human beings and mosquitos, this phenomenon of interaction is distinguished as parasitism where mosquitos draws blood that contains nutrients from the human tissue to use it as its source of food and then leaves harmful substances and bacteria in the human’s blood stream.

Answer:

Explanation: Since the options aren't given.

Parasitism. There are several types of biotic relationships that is occurring every single moment in the ecosystem and one is parasitism. In this scenario with human beings and mosquitos, this phenomenon of interaction is distinguished as parasitism where mosquitos draws blood that contains nutrients from the human tissue to use it as its source of food and then leaves harmful substances and bacteria in the human’s blood stream.

HELP ME!! Which structure does a virus have in common with a prokaryotic cell?

Answers

Nucleic acid

Prokaryotic cell

  • A prokaryotic cell is one that lacks a genuine nucleus as well as membrane-bound organelles.
  • Prokaryotes are organisms that have prokaryotic cells and are usually single-celled microbes.
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For more information:

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Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes. Viruses contain DNA but not much else. They lack the other parts shared by all cells, including a plasma membrane, cytoplasm, and ribosomes

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Answers

Answer:

Pigments absorb the light (capture as much light energy as possible) used in the process of photosynthesis.

Explanation:

Photosynthetic pigments are chemical compounds that absorb and reflect certain wavelengths of visible light, that is, they absorb light and have a color.

They are vital components for the process of photosynthesis, the most important pigment is chlorophyll. Chlorophyll is a large molecule, which captures the energy of sunlight and converts it into high-energy electrons. This occurs during the light reactions of photosynthesis, while high-energy electrons are subsequently used during dark reactions in the synthesis of glucose.

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Answers

2nd choice is the correct one

Answer:

thanks it's B) No, they absorb the sun's energy directly.

Explanation:

thanks for your help

I will get some brainlist.

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Answers

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Answer: Option B

Explanation:

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