In an autoimmune disease,
A) immune cells are attacked by pathogens.
B) the body makes too few immune cells.
C) immune cells attack the body's own cells.
D) memory cells are made.
C
You might also like to view...
Most of the immigrants to the United States in the seventeenth and eighteenth centuries came from
A) the United Kingdom and Holland B) the United Kingdom and Africa C) Germany and Norway D) Germany and the United Kingdom E) Russia and Germany
Which of the following is not true about motor vehicles in the United States?
A) There are more motor vehicles than licensed drivers. B) More than 95% of U.S. households have a motor vehicle. C) An average city allocates about 10% of its land to roads and parking lots. D) The U.S. government pays for the vast majority of limited-access, high-speed interstate highways. E) The U.S. has policies to keep the price of gasoline below the level found in Europe.
Figure 11.8
What is drift-net fishing? Which letter depicts drift-net fishing on the accompanying figure?
What will be an ideal response?
Which of the following is NOT a very long-lived, radioactive isotope? K-40 C-14 Rb-87 U-238
What will be an ideal response?