What do biotechnologists use to cut dna molecules at specific sequences? transformation restriction endonuclease dna ligase dna polymerase

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

Depending on the organism the number of in a cell may change

Antoine manages a number of apartment buildings that use natural gas for heating, cooking, and laundry. the scatter plot shows the correlation between the outside air temperature and antoine's natural gas bill. which type of correlation does the plot illustrate?