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Karlee Jodway

Anatomy Weeks 1-6

QuestionAnswer
The tiny bulge at the end of a terminal branch of a presynaptic neuron’s axon is called a(n) synaptic knob.
When neurotransmitters from synaptic knobs stimulate a postsynaptic neuron in rapid succession, their effect can add up over a brief period to produce an action potential. This is called temporal summation.
The action potential seems to “leap” from node to node along a myelinated fiber. This type of impulse regeneration is called __________ conduction. saltatory
The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as organs that are directly influenced by physiological variables or mechanisms.
RNA and DNA have the same pyrimidine bases but different purine bases. False
Which of the following is not a characteristic of meiosis? two haploid gametes
If oxygen is available, the pyruvate molecules formed by glycolysis are prepared to enter the next phase of aerobic cellular respiration, called the citric acid cycle.
Created by: user-1990729
 

 



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