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ira [324]
2 years ago
9

Which of the following are true of a species? Select all that apply.

Biology
1 answer:
tatiyna2 years ago
8 0

Answer:

the 1rst and 2nd

Explanation:

all fertile individuals can breed with one another and individuals vary genetically

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Following repolarization, the neuron may become slightly hyperpolarized before it re-establishes its resting membrane potential.
RoseWind [281]
<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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3 years ago
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Breathing, moving blood throughout the body, and so forth. 
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Answer:

The atmosphere is a closed system

Explanation:

Because inside the atmosphere open system

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The characteristics of two layers of Earth’s crust are listed.
Westkost [7]

Answer:

Layer A is the crust and Layer B is the mantle.

5 0
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