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Related Concept Videos

Resistance01:19

Resistance

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When a current moves through any conductor, the conductor causes some level of difficulty for the current to flow. The measure of that difficulty is known as the resistance of the material and is represented by R. Every material has its own resistance. In the case of conductors, heat is emitted whenever a current passes through them. Resistance depends on the resistivity of the material. Resistivity is a characteristic of the material used to fabricate electrical components, whereas the...
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Radical Formation: Overview01:03

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A bond can be broken either by heterolytic bond cleavage to form ions or homolytic bond cleavage to yield radicals. A fishhook arrow is used to represent the motion of a single electron in homolytic bond cleavage. There are two main sources from which radicals can be formed:
Radicals from spin-paired molecules:
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The Fluid Mosaic Model01:34

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The fluid mosaic model was first proposed as a visual representation of research observations. The model comprises the composition and dynamics of membranes and serves as a foundation for future membrane-related studies. The model depicts the structure of the plasma membrane with a variety of components, which include phospholipids, proteins, and carbohydrates. These integral molecules are loosely bound, defining the cell’s border and providing fluidity for optimal function.
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Scientists identified the plasma membrane in the 1890s and its principal chemical components (lipids and proteins) by 1915. The model for plasma membrane structure, proposed in 1935 by Hugh Davson and James Danielli, was the first model to be widely accepted in the scientific community. The model was based on the plasma membrane's "railroad track" appearance in early electron micrographs. Davson and Danielli theorized that the plasma membrane's structure resembled a sandwich...
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Magnetic flux depends on three factors: the strength of the magnetic field, the area through which the field lines pass, and the field's orientation with respect to the surface area. If any of these quantities vary, a corresponding variation in magnetic flux occurs. If the area through which the magnetic field lines are passing changes, then the magnetic flux also changes. This change in the area can be of two types: the flux through the rectangular loop increases as it moves into the...
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Motor Units01:13

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The motor unit is a fundamental component of the neuromuscular system and plays a crucial role in coordinating muscle contractions. It consists of a somatic motor neuron, which connects and controls multiple skeletal muscle fibers, forming a single functional segment. The axon of the motor neuron branches out and establishes synaptic connections known as neuromuscular junctions with individual muscle fibers within the motor unit.
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Related Experiment Video

Updated: Mar 15, 2026

In Vitro Multiparametric Cellular Analysis by Micro Organic Charge-modulated Field-effect Transistor Arrays
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MOC Revolution.

Amy Lynn Sorrel

    Texas Medicine
    |September 14, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Physicians find Maintenance of Certification (MOC) programs costly and burdensome, questioning their value and impact on patient care. Many doctors debate the financial motives behind these mandatory recertification requirements.

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    Area of Science:

    • Medical Education
    • Professional Standards
    • Physician Performance

    Background:

    • Maintenance of Certification (MOC) programs are mandatory for many physicians.
    • Physician dissatisfaction with MOC is widespread, citing cost and burden.
    • Concerns exist regarding the financial interests of certifying boards.

    Purpose of the Study:

    • To explore physician perspectives on Maintenance of Certification.
    • To investigate the perceived value and impact of MOC on patient outcomes.
    • To examine physician concerns about the financial motivations of MOC boards.

    Main Methods:

    • Qualitative analysis of physician feedback.
    • Surveys assessing MOC program satisfaction.
    • Review of MOC program costs and requirements.

    Main Results:

    • Physicians report MOC programs as expensive and time-consuming.
    • Many doctors question the relevance of MOC content to clinical practice.
    • There is significant debate regarding the link between MOC and improved patient care.

    Conclusions:

    • Physician dissatisfaction with MOC is substantial.
    • Further research is needed to validate the patient outcome benefits of MOC.
    • Reforms may be necessary to address physician concerns about MOC programs.