C. Macrophages
When Macrophages approach a foreign pathogen they ingest the pathogens through phagocytosis, the Macrophages show the foreign antigen proteins on their cell surfaces.
The Helper T Cell recognizes the antigen on the surface of the macrophage and starts an immune response to the invading pathogen by sending out a chemical message
After that the B-cells produce antibodies that are specific to the antigens of the pathogens that slow them down so the macrophages can engulf them.
Answer:
sothatswhyiansweredthislolidontknowwhatimdoing
Explanation:
True btw
Answer:
Because offspring with two parents will share half of each parent's DNA.
Explanation:
Sex cells contain half of the genetic information of an organism's regular cells. This is because a sexually-produced organism will be unique; it will share genetic information with both of its parents, rather than be identical to its bearer (like an asexual organism would be). When a sex cell meets another sex cell, their DNA will meet as well and change/adapt to suit the organism. If a sex cell had all the information needed to create an embyro, instead of half, which requires another cell's information to fill the DNA void.... well, it would just do it.
Well, after seeing the figure, and starting from the left the magnetic poles are shown like NORTH, SOUTH NORTH, SOUTH. so your option will be the first one
<span>Active transport requires cell energy while osmosis does not.</span> Active transport<span> requires energy in the form of </span>ATP<span>, while osmosis does not require any energy.</span>
