When a paramecium, a single-celled organism, is
living under stressful conditions, it sometimes
switches from asexual to sexual reproduction.
the main advantage when this switch occurs is
that the paramecium is most likely to
(1) produce fewer offspring
(2) increase variation among its offspring
(3) avoid having to find a mate
(4) produce clones of itself

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

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.

The relationship between intron and exon