Which is an example of a substitution mutation? CAG-TTA- CAC mutates to CAG GAC TTA- CAC

CAG TTA CAC mutates to CAG TTA CAC AT

CAT GGC TAC mutates to CAT GGC TAG

CAT- GGC-TAC mutates to ATG - GCT AC

answer; i believe that the correct answer is (lung);

correct answer is a. and d.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

density and pressure