Why is blood type AB+ considered the universal receiver? o It has no antibodies that can attack the antigens on the red blood cells of the other blood types.
o It has no antigen on its red blood cells that can be attacked by the antibodies in the other blood types.
o it has no Rh antigen on its red blood cells that can be attacked by the antibodies in the other blood types.
It has no A and B antigens on its red blood cells that can be attacked by the antibodies in the other blood types.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell

Which of the following accurately describes the correct order of events in the process of transpiration within a plant? a. water enters the roots, passes through the leaves, and leaks through the stem pores. b. water enters the roots, gets transported through the stem, and evaporates through the leaves. c. water is absorbed through the leaves, is transported through the stem, and nourishes the roots. d. water is absorbed through the leaves, nourishes the roots, and leaks through the stem pores.