The spontaneous loss of amino groups from adenine in dna results in hypoxanthine, an uncommon base, opposite thymine. what combination of proteins could repair such damage?
a. nuclease, dna polymerase, dna ligase
b. telomerase, primase, dna polymerase
c. telomerase, helicase, single-strand binding protein
d. dna ligase, replication fork proteins, adenylyl cyclase

The energy of blowing wind can be harnessed to create electricity. why is wind considered a renewable energy source? a) wind does not cause destruction of the environment. b) wind turns the blades of a windmill that creates electricity. c) wind provides only a very small amount of electricity to the united states. d) wind comes from atmospheric conditions that are available indefinitely.

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

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?