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igor_vitrenko [27]
3 years ago
11

EXPERIMENT 1: How many fish with blue tags

Biology
1 answer:
Sergeu [11.5K]3 years ago
8 0

Answer:

640 fish i think

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Answer:

True

Explanation:

Tetrodotoxin is the molecules that act as a poison to the organism in which they are injected.

The tetrodotoxin proves lethal to the organisms as it kills the organism by interfering with the nervous system. The tetrodotoxin blocks the sodium channels in the neuron as a result of which the sodium is unable to enter the neurons and hence the electrical impulse is not generated.

If the tetrodotoxin blocks the motor neuron transmission by blocking the sodium channels then the signals will not reach the muscle and muscle will not be able to contract.

Thus, true is correct.

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Choose the true answer(s) from the choices below that best describe electrical force.
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Answer:

Choose the true answer(s) from the choices below that best describe electrical force.

Electrical force is found between two charged objects.

Electrical force is a contact force between two objects.

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The above statements best describes the electric force as it entails electric charge between two objects that are positively charged. It could be while in contact especially when one is positively charged and the second is negatively charged.

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How long ago do scientists believe the continents formed Pangaea?
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300 million years ago

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Answer:

Statements that are true are:

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C) one mRNA can sometimes code for more than one protein by splicing at alternative sites = TRUE

E) splicing occurs while the mRNA is still in the nucleus = TRUE

Statements that are false are:

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