Aquifers are underground reservoirs in the hydrologic cycle
Indicate whether the statement is true or false
TRUE
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Protein denaturation can
A. occur due to certain chemicals. B. occur due to pH changes. C. occur due to high temperature. D. cause the protein to no longer function. E. All of the choices are correct.
Which of the following is not true of chloramines?
A. They can sanitize and disinfect. B. They form trihalomethanes with organic compounds. C. They are used to treat wounds and skin surfaces. D. They contain chlorine. E. They are safer than free chlorine.
Before photosynthetic cells became abundant, were not widespread.
A. cells using aerobic respiration B. chemoautotrophs C. cyanobacteria D. heterotrophs E. cells using anaerobic respiration
Which of the following statements is not correct about lactic acid fermentation?
a. It is inefficient compared to aerobic respiration. b. It uses glucose as a substrate. c. It produces two ATP molecules for every glucose molecule. d. Oxygen is the final electron acceptor of this pathway. e. Glycolysis is the only energy-yielding step of this pathway