Calculate the transformation efficiency given an initial concentration of 0.006ug/ul plasmid and the following:
200ul CaCIa
250 ul LB broth
15 ul of plasmid added to culture
150 ul of solution from the reaction tube spread on agar plate
50 colonies on the + plasmid ampicillin plate

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.