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Dahasolnce [82]
3 years ago
15

Quiz 4 : Taxonomy and origins

Biology
1 answer:
olga55 [171]3 years ago
7 0
Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics.
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if a species of organisms do not reproduce sexually, and there are no mutations what claim can most likely be made about the pop
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the species shares the same DNA

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Following repolarization, the neuron may become slightly hyperpolarized before it re-establishes its resting membrane potential.
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<h2>Membrane potential </h2>

Explanation:

  • Membrane potential represents charge difference across the membrane, all biological cells are negative inside (cytoplasm) and positive outside (due to difference in ionic distribution)  
  • In a typical neuron cell membrane potential of cytoplasm is negative at rest (when no stimulus is applied) hence called resting membrane potential
  • Resting membrane potential of excitable cells is established by Na+ and K+pump
  • Repolarization starts with the efflux of K+ by the opening of voltage gated K+ channels
  • Voltage gated K+ channels starts to open when voltage gated Na+ channels becomes inactive
  • Hyperpolarization occurs due to excessive efflux of K+ by voltage gated K+ channels
  • Additional efflux of K+ occurs due to slow inactivation of voltage gated K+ channels
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Wind and water energy are both indirect forms of what other type of energy source
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Remember that eutrophication is the natural process by which a body of water gains an abundance of nutrients. Explain the distin
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Eutrophication occurs due to the increased concentration of natural nutrients. Conversely, artificial eutrophication happens due to human activities.

<h3>Eutrophication and artificial eutrophication</h3>

Eutrophication is a biological phenomenon that occurs due to the increased concentration of natural nutrients such as algae in a water body.

Artificial eutrophication is a specific type of eutrophication process caused by human activities.

Artificial eutrophication can be caused, for example, for an excessive overload of fertilizers in a lake.

Learn more about eutrophication here:

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