The composition of the normal microbiota may be affected by
A. hormonal changes.
B. use of antibiotics.
C. obesity level.
D. diet.
E. All of the choices are correct.
E
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Many amphibian populations have been decimated by a parasitic fungus classified as a member of the _____
A) Chytridiomycota B) Ascomycota C) Basidiomycota D) Zygomycota E) Glomeromycota
Which best describes energy production during cellular respiration?
A. A small amount of energy is produced by substrate level phosphorylation; most is produced by oxidative phosphorylation. B. A small amount of energy is produced by oxidative phosphorylation; most is produced by substrate level phosphorylation. C. An equal amount is produced by oxidative and substrate level phosphorylation. D. It depends on the organism. Some produce most of their energy by substrate level phosphorylation, and some produce most of their energy by oxidative phosphorylation. E. None of these answer options accurately describes energy production during cellular respiration.
Explanations for mass extinction include all of the following EXCEPT
a. collisions between the earth and other bodies in the solar system. b. continental movements. c. adaptive radiation of new predator species in many lineages. d. alterations in sea level. e. habitat destruction.
During a fever, the __________ readjusts the set point of the body to a __________ temperature.
a. thyroid; lower b. hypothalamus; lower c. hypothalamus; higher d. pineal gland; higher e. adrenal glands; lower