Who originally discovered the process of bacterial transformation?
A. Watson and Crick
B. Chargaff
C. Hershey and Chase
D. Griffith
E. Meselson and Stahl
D. Griffith
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The oxygen consuming property of a wastewater sample is designated by the term
A. lagooning. B. stabilization. C. activation. D. biochemical oxygen demand.
_______________ are chemical substances produced in small quantities in one part of an organism and then transported to another part of the organism, where they bring about physiological responses.
A. Glycoproteins B. Photosynthates C. Hormones D. Heat shock proteins E. Pulvini
The respiratory surfaces of mammalian lungs are called
a. alveoli. b. bronchi. c. tracheae. d. bronchioles. e. air sacs.
The establishment clause states that ______.
A. all citizens may engage in religious activities of their choice B. the federal government will not support an official state church C. no religious test for holding federal office can be imposed D. religious groups can compel public schools to teach their precepts