<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
Answer: how to use a repeated sound to focus
her attention
An individual like Addison will be given training
on how to use a repeated sound to focus her attention. Transcendental
meditation allows
the mind and body to settle into a quiet state of restful alertness. This will
give Addison feeling refreshed, energized, and at peace.
It gets blurry and further away because it is not changing
Answer:
C) DNA or RNA
Explanation:
Genetic material is found in both viruses and in living single-celled organisms, such as protozoans and bacteria.
The statement which best explains how the redox component of this reaction contributes to the reaction's ability to be reversible under cellular conditions is; <em>Choice D: The change in the biochemical standard reduction potential is small.</em>
Discussion:
A reversible process is one in which the system and environment can be restored to exactly the same initial states that they were in prior to when the process occurred, if we go backward along the path of the process.
- However, the necessary condition for a reversible process is therefore the quasi-static requirement.
- The quasi-static requirement in this case is that the change in the biochemical standard reduction potential is small.
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