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

John has a bag of marbles that contains 12 red marbles, 20 green marbles, and 17 blue marbles. Homework Help ✎ If John pulls one marble out of the bag, what i

Sarah likes to make farting noises with her mouth in public. this really embarrasses her mother and doesn't show good manners. when sarah makes one of these noi

tina wants to save money for school. tina invests 1100 in an account that pays an interest of 7.25%. how many years will it take the account to reach 6600?

PLEASE HELP!!! 1) The table below represents a linear function f(x), and the equation represents a function g(x): X) -1, 0, 1 F(x) -5, -1, 3 G(x) G(x)=4x+3

The classes at the middle school want to raise money. The sixth grade runs a bake sale for 55 hours and makes $170. The seventh grade sets up a dunking booth fo

Suppose you buy a piece of office equipment for $9,000.00. After 5 years you sell it for a scrap value of $2,000.00. The equipment is depreciated linearly over

I need to solve the whole thing

I need help!!!! 33 coins, consisting of nickels, dimes, and quarters, have a total value of $3.30. If there are three times as many nickels as quarters, and one

How would a coupon change the unit rate/price per item?

I NEED HELP! In my first days at the conservancy, I learned a lot about sea turtles, like their amazing instincts and adaptation —that a green sea turtle could