The energy required to bring the substrates of a reaction together in the correct way to reach the transition state is called
A. free energy.
B. entropy.
C. activation energy.
D. enthalpy.
Answer: C
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Axons of the optic nerve end in
a. Broca's area. b. Wernicke's area. c. the precentral gyrus. d. the lateral geniculate nucleus. e. the postcentral gyrus.
U.S. health officials are considering different ways of preparing for a future worldwide epidemic of human influenza that could be derived from a form of the disease that infects birds (avian flu)
Which actions would be useful in preventing a future influenza epidemic? A) Inject helper T cells into healthy people to boost immune systems. B) Inoculate infected people with a vaccine against the pathogen. C) Give antibiotics to people with mild symptoms. D) Ask people with flu symptoms to stay at home.
What type of microscope is specially modified with an ultraviolet radiation source and a filter?
A) bright-field B) dark-field C) phase-contrast D) fluorescent
Alcohol prevents dehydration by increasing the production of ADH
Indicate whether the statement is true or false