Chargaff's Rule = The amount of Thymine always equals the amount of Adenine, and the amount of Cytosine always equals the amount Guanine. BUT WHY?!?!?!
What claim could we make about the type of structure and function of a molecule
called DNA that always has the same amount of Adenine and Thymine and the same
amount of Cytosine and Guanine?
Percentages of Nitrogenous Bases
Organism
%A
%G
%C
%T

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

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.