Natural killer cells are identify as a intracellular infection,especially from viruses, by the altered expression of major histocompatibility class (MHC) I molecule on the surface of infected cells.
Theses cells is a type of white blood cells. They are also called as natural killer . A blood stem cells goes through several stages to became a red blood cells, platelets, or white blood cells.
These Natural killer cells are innate immune cells which shows strong cytologist function against physiologically stressed cells such as tumor and virus infected cells.They are first line of defense against tumor and diverse range of pathogens. Work as a primary defect in human body.
To learn more about white blood cells. here
brainly.com/question/17890844
#SPJ4
Photosynthesis Is generally the opposite of cellular respiration. To drive the organisms metabolism photosynthesis has an exothermic reaction.
Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemo-synthesis). Heterotrophs cannot synthesize their own food and rely on other organisms, both plants and animals for nutrition. hope this helps :)
Answer:
Early prophase: the DNA and centrioles duplicate and the centioles move and form the mitotic spindle. Middle prophase: microtubles from the spindle attach to the chromosomes. Late prophase: the chromosomes move to the equatorial plane.
Explanation:
