Genes are found on DNA, which make(s) up the chromosomes, found in nucleus.
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Coating of mucus( gastric mucosal barrier) protects the stomach from its acid
Answer:
Because when your toe is injured it sends a pulse to your groin that causes your groin to fell pain so your brains neuropathegens dont feel as much pain transmiting through your toe. Hope this helps :)
Answer: It is approximately the membrane potential at which the electrochemical gradient for Na+ is zero.
Explanation:
The charge in plasma membrane occurs with diffusion and electric fields.
For example, if there are two solutions, let's assume solution X and Solution Y are separated by a porous barrier (to diffuse in equal proportions).
The fundamental principle of diffusion states that solution from a high concentration diffuses to a lower concentration.
For instance, if the X solution contains 40 sodium ions and 40 chloride ions, the Y solution only has 30 sodium and 30 chloride ions. Due to the diffusion, these two solutions will mix and reach a steady-state.
The like charges repel, and opposite charges attract.
