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This is the energy (i.e. work) per charge which is required to move a (very small) positive charge at constant velocity across the cell membrane from the exterior to the interior. (If the charge is allowed to change velocity, the change of kinetic energy and production of radiation [1] must be taken into account.)
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Developmental bioelectricity is a sub-discipline of biology, related to, but distinct from, neurophysiology and bioelectromagnetics. Developmental bioelectricity refers to the endogenous ion fluxes, transmembrane and transepithelial voltage gradients, and electric currents and fields produced and sustained in living cells and tissues.
Recent studies have suggested a molecular dynamics simulation-based method to determine gating charge by measuring electrical capacitor properties of membrane-embedded proteins. [2] Activity of ion channels located in the plasma membrane can be measured by simply attaching a glass capillary electrode continuously with the membrane. [ 34 ]
The adenylate energy charge is an index used to measure the energy status of biological cells. ATP or Mg-ATP is the principal molecule for storing and transferring energy in the cell : it is used for biosynthetic pathways, maintenance of transmembrane gradients, movement, cell division, etc...
A savings account is an interest-earning bank account designed to help you store and grow your money. It’s great for short-term goals, emergency funds or savings you might need to access quickly.
AOL pays extra expenses whenever we process a payment from a checking account, so the fee allows us to continue offering you the option to pay your monthly bill without using a credit card. If you want to avoid paying this fee, you can learn how to change your payment method or go directly to My Account and choose a different payment option.
where D is the diffusion constant, μ is the "mobility", k B is the Boltzmann constant, T is the absolute temperature, and q is the elementary charge, that is, the charge of one electron. Below, to combine in the same formula the chemical potential μ and the mobility, we use for mobility the notation m {\displaystyle {\mathfrak {m}}} .