What is the mutation caused by the addition of a nucleotide to an already existing gene sequence called?
a. deletion
b. duplication
c. insertion
d. inversion

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right