What was known BEFORE Franklin and Wilkins conducted their studies of DNA? Select three options. DNA is found in the nucleus of a cell.

The human genetic code is made of 50,000 genes.

Organisms store and transmit genetic information.

DNA has a double-helix structure.

Cells contain protein molecules.
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Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?