the alpha chain of the eukaryotic hemoglobin is composed of 141 amino acids. what is the minimum number of nucleotide in an mRNA coding for this polypeptide chain

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?

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

What enzyme is most important for dna replication and why?