Answer:
b. They are produced by memory B cells
Explanation:
The rapid cell division in activated B cells is followed by the differentiation of daughter cells into the plasma cells. The plasma cells are the precursor for antibodies and memory B cells. The antibodies kill the antigens while memory B cells are long-lived cells.
Hence, antibodies are not produced by memory B cells but by plasma cells.
d. O2
This is because CO2 (Carbon Dioxide), energy (sunlight), and H2O (water) are all outputs of cellular respiration.
Get the provisions you have, if any and get to the lowest part of your house, ie basement or ground floor, away from windows
They would use a microscope to test it out.
The cell's volume increases more rapidly.
Let's say you have a cube. When it's side have a length of one, the SA us 6 units while the volume is only one. By the time it's 10 by 10 by 10, the SA is 600 and the volume is 1,000.
