Subject: nan
Question: a random change in allele frequency that leads it to occur more common
Answers:
1) genetic drift
2) natural selection
3) gene flow
4) mutation

Subject: Science
Question: inflammation of the inner lining of the heart (particularly heart valves) which coats the heart chambers
Answers:
1) endocarditis
2) valve disease
3) angina
4) amyloidosis

Subject: Science
Question: The oxygen-carrying protein in RBCs is
Answers:
1) hemoglobin
2) chloroplasts
3) ribosomes
4) mitosis