After the macrophage fails the Helper T Cell stimulates the B cells if pathogen is extracellular and Cytotoxic T Cells if the pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells.

5 0

3 years ago

What is a Cell wall?

MatroZZZ [7]

Cell wall is the outer permeable covering in all pants and almost all prokaryotes ! cell wall are mainly made up of cellulose , sometime by chitin!!

8 0

3 years ago

The largest extant (living) organism on Earth is larger than a blue whale and larger than the giant sequoia (giant redwood) tree

Ipatiy [6.2K]

2.4 mile long is the biggest one ever

6 0

2 years ago

The independent variable was (the number of worms, worm size, or plant growth) , and the dependent variable was the (the number

Wittaler [7]

Answer:

independent: worm size

dependent: plant growth

Explanation:

3 0

3 years ago