Which enzyme(s) in figure 14-8 would be best for cutting dna to make fragments with sticky ends?
a. 1st and 3rd figure
b. 3rd and 2nd figure
c. 3rd figure only
d. 1st and 2nd figure

Which of the following diseases may be transmitted through an accidental needle stick? a. syphilis b. tuberculosis c. cellulitis d. hepatitis b

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.