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

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

List five ways we are indebted to phytoplankton