When a genetic mutation occurs, which part of the DNA changes? -nitrogen base
-deoxyribose sugar
-phosphate
-the back done

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

What are characteristics of minerals? select 3 choices

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false