James watson’s discovery of the base pairings in the dna helix was a result of trial and error. he discovered that adenine pairs with thymine and that guanine pairs with cytosine after he continually attempted to align models of the bases in other combinations. which best describes how this example illustrates creativity?

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

What part of the body contains bile, an enzyme that break down lipids?

Which of the following is true? a. under the current unemployment insurance system, benefits replace about 90 percent of the typical worker's prior pretax earnings. b. high benefit payments to unemployed workers will tend to increase the rate of unemployment. c. if a system of personal savings accounts replaced the current unemployment benefit system, the unemployment rate would fall to zero. d. the rate of unemployment in the large european economies has been persistently lower than that of the united states due to their more generous unemployment benefits.