the size of the sample space is . The probability that the first three letters of the four-letter code are vowels is

dna damages cause changes in the structure of the genetic material and prevents the replication mechanism from functioning and performing properly. dna damage and mutation have different biological consequences. while most dna damages can undergo dna repair, such repair is not 100% efficient.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added