Why are international environmental laws needed?

1 answer:

3 0

Environmental laws help ensure the environment and the economy are equally protected and promoted, not just because we need them both, but because each needs the other.

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Differentiate between unicellular ,colonial and multicellular organization

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Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast.

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3.The reduced potential causes hundreds of a)________________________ channels to open on that part of the cell membrane. The de

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The reduced potential causes hundreds of voltage-gated sodium channels to open on that part of the cell membrane. The depolarization of the cell causes more of voltage-gated sodium channels to open in adjacent parts of the cell membrane. This begins the wave of of depolarization moving down the axon. Depolarization begins at the axon hillock.

Explanation:

When there is no neuron signaling it becomes polarized, termed as resting membrane potential (RMP) at a threshold voltage (around -55 mV), due to the action of the sodium-potassium pump and the potassium leak channels.

When a change in the RMP occurs, depolarization takes place which causes the voltage-gated sodium channels to open and sodium ions rush into the nerve cell which in turn will increase the voltage threshold to nearly around +40 mV and also charges the neuron positive. This depolarization moves down the axon. This increase in threshold stops the sodium influx and opens the potassium channels to rush the potassium out of the cell.

All these actions decrease the membrane potential leading to a wave of depolarization and going back to resting state. Depolarization begins depending upon the potential gradient at the axon hillock.

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I NEED HELP ASAPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!

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Answer:

False

Explanation:

yes trust me

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Chemical reaction equations, such as the one for photosynthesis, show the reactants and products of a reaction. How does this si

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Well we have to say that It does not show that photosynthesis consists of many separate reactions.Have in mind that the simplified chemical reaction equation of photosynthesis is: 6CO2 + 6H2O ------> C6H12O6 + 6O2. The problem is that this equation doesn't show the many other reactions involved in photosynthesis, including the the two important components, the light and dark cycle. I hope this is something very useful for you

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_______ are eukaryotic dna sequences that can be used to elevate transcription and have variable positions and orientations.

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Enhancers are eukaryotic DNA sequences that can be used to elevate transcription and have variable positions and orientations.

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