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Which of the following accurately describes neurons? (Select all that apply.) All neurons have four functional zones. Multipolar neurons can have many dendrites and many axons. Some neurons lack a nucleus. Unipolar neurons are especially common in the visual cortex. 0000

Which of the following accurately describes neurons? (Select all that apply.) All neurons have four functional zones. Multipolar neurons can have many dendrites and many axons. Some neurons lack a nucleus. Unipolar neurons are especially common in the visual cortex. 0000

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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**Question:** Which of the following accurately describes neurons? (Select all that apply.) **Answer Choices:** 1. All neurons have four functional zones. 2. Multipolar neurons can have many dendrites and many axons. 3. Some neurons lack a nucleus. 4. Unipolar neurons are especially common in the visual cortex. **Explanation:** Below each answer choice, educators can elaborate on the facts about neurons: 1. **All neurons have four functional zones.** - Neurons generally have four distinct functional zones: the input zone (dendrites), the integration zone (cell body or soma), the conduction zone (axon), and the output zone (axon terminals). 2. **Multipolar neurons can have many dendrites and many axons.** - Multipolar neurons typically have numerous dendrites and a single axon. They are the most common type of neuron in the central nervous system, facilitating the integration of a large amount of information from other neurons. 3. **Some neurons lack a nucleus.** - This statement is incorrect. All neurons have a nucleus, which is essential for the cell's functions, including the synthesis of proteins and overall cellular management. 4. **Unipolar neurons are especially common in the visual cortex.** - Unipolar neurons are rare in adults and are not especially common in the visual cortex. They are primarily found in sensory ganglia of the peripheral nervous system. This educational content helps in understanding the structure and function of different types of neurons and their distribution within the nervous system.
Transcribed Image Text:**Question:** Which of the following accurately describes neurons? (Select all that apply.) **Answer Choices:** 1. All neurons have four functional zones. 2. Multipolar neurons can have many dendrites and many axons. 3. Some neurons lack a nucleus. 4. Unipolar neurons are especially common in the visual cortex. **Explanation:** Below each answer choice, educators can elaborate on the facts about neurons: 1. **All neurons have four functional zones.** - Neurons generally have four distinct functional zones: the input zone (dendrites), the integration zone (cell body or soma), the conduction zone (axon), and the output zone (axon terminals). 2. **Multipolar neurons can have many dendrites and many axons.** - Multipolar neurons typically have numerous dendrites and a single axon. They are the most common type of neuron in the central nervous system, facilitating the integration of a large amount of information from other neurons. 3. **Some neurons lack a nucleus.** - This statement is incorrect. All neurons have a nucleus, which is essential for the cell's functions, including the synthesis of proteins and overall cellular management. 4. **Unipolar neurons are especially common in the visual cortex.** - Unipolar neurons are rare in adults and are not especially common in the visual cortex. They are primarily found in sensory ganglia of the peripheral nervous system. This educational content helps in understanding the structure and function of different types of neurons and their distribution within the nervous system.
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