240 grams 4 cm 3 cm 5 cm. O2 g/cm O 6g/cm3 O 4 g/cm 8 g/cm

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3