WVU BIO 115 Exam 1 | 100% Correct Answers

True or False? A theory is subject to being amended or changed. - True Bipasha is studying a new drug, Calcigro, that is suspected to improve bone density. The drug has made it through animal testing and into human trials. Two groups of females have been matched for age, race and health status. Group A is given a pill containing starch and 1000 mg of Calcigro while Group B is given a pill containing starch only. Both groups are following a diet regimen with an intake of 1000 mg of calcium daily. What is the independent variable? - contents of the pill Bipasha is studying a new drug, Calcigro, that is suspected to improve bone density. The drug has made it through animal testing and into human trials. Two groups of females have been matched for age, race and health status. Group A is given a pill containing starch and 1000 mg of Calcigro while Group B is given a pill containing starch only. Both groups are following a diet regimen with an intake of 1000 mg of calcium daily. What is the experimental group in this experiment? - Group A A positive control in an experiment should provide a result similar to the experimental group when... - the result would support the hypothesis Two atoms are bonded together when a valence electron is donated from one atom and received by the second. The resulting charge of the two atoms leads to their attraction to one another. What type of bond is described above? - Ionic Two atoms are bonded together when valence electrons are shared between the two. The electrons spend an equal amount of time around the nucleus of each atom. What type of bond is described above? - Polar Covalent