Amutation in which one nucleotide is substituted for another is called a

Which of the following are energy solutions that release pollution into the air>

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

What is the average speed of a car that traveled 300.0 miles in 5.5 hours