Reenalas8751 Reenalas8751

13-05-2018
Biology

contestada

How can white blood cells tell the difference between body cells and pathogens?

Respuesta :

zeldarila zeldarila

13-05-2018

Antigens work as bar-codes to help the immune system differentiate between body cells and pathogens

Answer Link

Otras preguntas

rewrite this expression using the distributive property then simplify. 2/3(6x+12)

What kind of relationship would a mouse and a rabbit have? A. competitive relationship B. communalistic relationship C. mutuality relationship D. parasitic rela

Most management problems can be prevented by carefully defining the areas of:

Members of the House of Representatives are elected for an unlimited number of six-year terms. an unlimited number of two-year terms. an unlimited number of fou

5. Identify the slope and y-intercept of the line with the given equation. a. y = 5x +2 b. 2x + y = -6

Which of the following was a direct cause of the Panic of 1837? a The first Bank of the United States closed. b Congress lowered protective tariffs. c The feder

Significant settlement in Manitoba, Saskatchewan, and Alberta A. was a response to the world demand for wheat in the early twentieth century. B. occurred only

Who was a Scottish missionary and explorer? A. David Livingstone B. Cecil Rhodes C. Benjamin Disraeli

simplify the equation (-4)(3)(-1)(-2)

Which of the following resolved the issue of whether slaves could be used to determine the number of representatives a state could have? Connecticut Compromise