Match the statements with the corresponding MHC Class:
Acquires antigenic peptide in the cytoplasm

a) receptors located exclusively on antigen presenting cells
b) presents antigenic peptides to CD8+ T cells
c) necessary for recognition by CD4+ T cells
d) receptors located on all nucleated cells

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

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transformative rocks are the stones that emerge from the transformation of existing rock composes in a procedure called changeability, implies changing of structures. transformative rocks are shaped from alternate shakes that are changing a result of warmth or weight connected. one of this model is the earth developments that making rocks profoundly cover or crushed which will make the stones warmed and put under awesome weight. they are not softening but rather the minerals they are containing are changed synthetically that will shape transformative rocks. now and again different rocks are shaped when the others are near some liquid magma and getting warmed.

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water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.