The process is Meiosis. The 4 daughter cells are then known as haploids.
So,
There is a scientific consensus that life exists on other planets
and
The scientists only studied one meteorite
The first one because the other ones don't make sense, and because it is a scientific consensus. The latter because they only studied one, and imagine if they studied other ones...
The test to see who the father is
Enzymes bind with chemical reactants called substrates
