Which pair of scientists discovered the double helix structure of DNA? A. Faraday and Maxwell B. Newcomen and Watt C. Bragg and Bragg D. Watson and Crick

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing