Depurination results in the removal of a purine from a DNA strand, resulting in an apurinic site. In a region of the DNA, depurination occurs in a region where there is a GC base pair. What is the base in the deoxynucleotide that is added opposite the apurinic site in the first round of replication, if depurination in this region results in a change from a GC base pair to TA base pair

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Explain why process 2 is so important to sexual reproduction identify processes 1 and 3 state one difference between the cells produced by process 1 and cells produced by process 3

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time