Facilitated diffusion is usually significant to pass the ions across the hydrophobic layer of the plasma membrane. Transmembrane integral protein and careers proteins provide the channels that allow the ion to pass across the membrane. When an ion bind to their active site on the protein (note that the proteins are very selective), the protein changes conformation. It is this change in conformation opens up the channel that allows the ions to be passed across the membrane. When the ions are released inside of the cell, the protein resumes normal shape (and the channel also closes) and the active site becomes available again or another ion.
Answer:
— Eukaryotic gene expression occurs in both the nucleus and cytoplasm.
— Prokaryotic gene expression occurs within the cytoplasm of a cell due to the lack of a defined nucleus
<span>They destroy pathogens that enter the wound. This obliteration of any pathogens is called phagocytosis. A white platelet ingesting infection creating microorganisms. White platelets can: ingest pathogens and devastate them. deliver antibodies to demolish specific pathogens.</span>
Single seismograph can register the occurrence of an earthquake. Analysis of the waves can yield the distance between the sensor and the epicenter. This describes a circle with the seismograph at the center. ... Adding data from a third station pinpoints the epicenter as the only place where all three circles intersect
