The region where a neuron transmitting an impulse comes in close proximity to a receiving neuron is the

A. synapse.
B. junction.
C. node of Ranvier.
D. synaptic terminal.


Answer: A. synapse.

Biology & Microbiology

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Which of these combinations of disorders is most likely in patients that are diagnosed with ADHD?

a. ADHD and depression b. ADHD and anxiety disorder c. ADHD without comorbidity d. ADHD with combined disorders

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Which of the following is an abiotic factor?

a. symbiotic relationships b. prey populations c. annual precipitation d. parasites

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The sequence of DNA on each chromosome where the sister chromatids are held together is called the

a. centrosome. b. kinetochore. c. centromere. d. centriole.

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Natural selection, as a mechanism of evolution that acts on variants within populations and ultimately leads to the evolution of different species, was proposed by

A. Malthus. B. Mendel. C. Founder. D. Lyell. E. Darwin.

Biology & Microbiology