1. a nubcake who doesn't do homework, and prefers playing DotA. usually stays up late at night trying to finish homework that was put off.
2. a student whose teachers love to pick on because he falls asleep in class due to sleep-deprived nights.
<person a>: hey dude, did you finish your math homework?
<person b>: nah man, I was caught up in DotA. it's so interestingg, I love it!
<person a>: man, you're such a cidonem.
<person b>: f u
<person a>: <3
Ribosomes pull the mRNA strand through itself one codon at a time. As the strand moves, the start codon and its complementary tRNA molecule shift into the 2nd site inside the large subunit. This shift leaves the 1st site empty, which exposes the next mRNA codon.