If we read the complete exercise, we can understand that the correct answer is 9 students.
This is a math related exercise.
If we take into consideration that Sean is the 5th highest in the class, it means that there are four more people before him.
However, he is also the 5th lowest mark in the class, so it means that there are four more people below him.
If we also count Sean, there are:
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I think A is the correct answer
What is the function of DNA polymerase?The main function of DNA polymerase is to synthesize DNA from deoxyribonucleotides, the building blocks of DNA. The DNA copies are created by the pairing of nucleotides to bases present on each strand of the original DNA molecule.
I'm not sure what is not a function of dna polymerase but I know what is