Biology, 13.07.2019 06:00 katherineweightman
Which of the formed elements of the blood determines abo blood types? a. white blood cells b. red blood cells c. antibodies d. plasma i know that the answer is either red blood cells or antibodies and i know this: red blood cells have special molecules called antigens on their surfaces. each person has either the a antigen, the b antigen, both the a and b antigens, or none of the antigens on their red blood cells. a person’s immune system will respond to these antigens by reacting with protein antibodies, which circulate in their blood plasma. but, i'm still not sure which is the correct answer.
Answers: 2
Biology, 21.06.2019 19:10
Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation
Answers: 2
Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 01:00
Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.
Answers: 1
Biology, 22.06.2019 02:50
Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
Answers: 2
Which of the formed elements of the blood determines abo blood types? a. white blood cells b. red...
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