Examlex
In an oxidation-reduction reaction, the substance oxidized always
Hours
Units of time equivalent to 60 minutes, commonly used to measure the duration of events or the passage of time.
Alzheimer's Disease
A progressive neurodegenerative disorder that causes memory loss, cognitive decline, and ultimately, loss of ability to perform everyday activities.
Acetylcholine
A neurotransmitter in both the central and peripheral nervous systems that plays a role in muscle contraction and various cognitive functions.
Neurotransmitter
Chemical substances used by neurons to transmit signals across synapses to other neurons, muscles, or glands.
Q11: in the third energy level of sodium<br>A)one<br>B)seven<br>C)two<br>D)eight<br>E)five
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Q55: Gamma rays may be detected using<br>A) a
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Q77: In the following reaction, when the equation