What does gel electrophoresis do?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

What is used as a template during replication? a- mrna b- trna c- rrna d- dna

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins. true or false.