MHC I class of molecules appears on the cell surface of all nucleated cells and those cells are n<span>on-professional antigen presenting cells</span>. Their function is to present an antigen to cytotoxic T cells (T lymphocytes). After a viral or bacterial infection, MHC I molecules will present those foreign proteins on the surface and T cells specific for the MHC will recognize and kill presenting cell.
Hurricanes are tropical cyclones that occur in the North Atlantic Ocean or the Northeast Pacific Ocean and remain east of the International Dateline
Glucose levels increase simple sugar
The correct answer for the question that is being presented above is this one:
Below is the arranged match of the items of the sunspot cycle.
Solar Maximum
(1) Occurs about 11 years after a solar maximum (on average)
(2) solar flares are most common
(3) auroras are most likely in Earth's skies
(4) orbiting satellites are most at risk
(5) sunspots are most numerous on the Sun
Solar Minimum:
<span>(1) Occurs about 5 to 6 years after a solar maximum (on average)</span>
1. Enzymes
4. Mitochondria
5. Organelle
6. Golgi apparatus