What type of dna mutation is this? original strand: a-t-c-g-t-a-g-g-c-t-a-g mutated strand: a-t-c-g-a-t-a-g-g-c-t-a-g a.) nucleotide insertion b.) trinucleotide repeat c.) single nucleotide substitution (point mutation) d.) nucleotide deletion

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.