The type A and type B proteins found on the surface of red b…
The type A and type B proteins found on the surface of red blood cells are used to determine someone’s ABO blood type. If you get a blood transfusion of the wrong blood type, your body would identify these proteins and eventually destroy those cells, potentially causing your death. These proteins are an example of which type of cell membrane protein?
Read DetailsI want to test a drug to determine if it increases a student…
I want to test a drug to determine if it increases a student’s ability to remember important facts throughout the semester. At the start of the semester, I give one group of 20 students a pill that contains the drug, called KnowItAll, and I give another group of 20 students a placebo (a pill that does not contain any drug). On the final exam, I see that the students given KnowItAll have an average score of 95% on the exam, while the students given the placebo have an average score of 50% on the exam. I conclude that KnowItAll does not improve student’s ability to remember important facts. What is wrong with this experiment?
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