Untreated sewage is released into a river. Which of the following statements is FALSE?
A) The untreated sewage is a health hazard.
B) The untreated sewage increases the BOD.
C) The untreated sewage decreases the dissolved oxygen.
D) The untreated sewage kills bacteria.
E) All of the statements are true.
D
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Mendel observed that some genetic traits seemed to mask others in the pea plants, and used the term ___ to describe these traits. Select one:
a. dominant b. homologous c. heterozygous d. recessive e. homozygous
An individual with the condition of myasthenia gravis is faced with an autoimmune disorder in which the body defenses attack acetylcholine receptors on muscle cells
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What plant secondary metabolite was isolated from the Cinchona tree to fight malaria?
A. taxol B. penicillin C. digitalis D. acacia E. quinine