Answer:
I believe I have had this question this before. The correct answer should be rr, BB.
The correct answer is c. Temperate marine.
Temperate continental their climate is wet, warm, and located on the edges of tropics. They are found in the continents in the northern hemisphere. They are not located near oceans where temperatures are moderate. They are also referred to as microthermal climates. They are located away from oceans that is why they do experience extreme temperatures. They have both summers which are warm and humid and winters which are blustery winds and snowstorms.
Answer: A
Explanation: Vaccines create memory cells with a weak version of the pathogen, so when they meet that pathogen again the body can respond more quickly and more efficiently since they have already been exposed to the pathogen.
Answer:
The correct option is B (natural killer cells).
Explanation:
Natural killer cells: They are defined as the type of cytotoxic lymphocyte which are critical to the innate immune system. The NK cells play an important role in to provide rapid response to tumor formation, virus infected cells, and acting after three days of infection.
While cancer cells die, they release some antigens, than these antigens are recognized by the immune system, and later they are presented on the immune cells which are known as antigen presenting cells. So, if these cells are absent than they increase the chances of developing malignant tumors.
