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Related Concept Videos

Competition02:34

Competition

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When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
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All neuromuscular blocking agents are injected intravenously because they are poorly absorbed from the GI tract. Rapid onset is achieved with intravenous administration, although absorption is also adequate from an intramuscular injection. Since these agents are highly ionized, they do not readily penetrate cell membranes or cross the blood-brain barrier.
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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Nondepolarizing neuromuscular blockers induce paralysis by competitively blocking nicotinic acetylcholine receptors at the muscle end plate. Examples include pancuronium, mivacurium, vecuronium, and rocuronium. These quaternary ammonium derivatives are administered intravenously, are poorly absorbed, and are excreted via the kidneys.
Competitive antagonists prevent acetylcholine from binding to its receptor, inhibiting membrane depolarization. Without conformational changes or intrinsic...
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Nondepolarizing (Competitive) Neuromuscular Blockers: Pharmacological Actions01:27

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Nondepolarizing neuromuscular blockers prevent the membrane depolarization of muscle cells and inhibit muscle contraction. These are usually administered with anesthetics to achieve complete muscle relaxation. Upon administration, these drugs first block the small, rapidly contracting muscles of the face and hands, followed by the larger muscles of the trunk and the intercostal muscles. The diaphragm is the last muscle to be affected.
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Development of the Lymphatic System01:15

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The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
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Updated: Feb 1, 2026

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors
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Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors

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Recent Developments at DG Competition: 2017/2018.

Andrea Amelio1, Thomas Buettner2, Cyril Hariton3

  • 11Directorate-General for Competition, European Commission, MADO 18/058, 1049 Brussels, Belgium.

Review of Industrial Organization
|December 15, 2018
PubMed
Summary
This summary is machine-generated.

The European Commission

Keywords:
AntitrustCompetition policyCounterfactualGoogleMergersPrice discriminationState aid

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Area of Science:

  • Competition Law
  • Antitrust
  • Merger Control
  • State Aid

Background:

  • The Directorate General for Competition (DG COMP) enforces EU competition law.
  • Key areas include antitrust, merger control, and state aid.
  • The Chief Competition Economist's team plays a vital role.

Purpose of the Study:

  • To present the role of the Chief Competition Economist's team.
  • To survey DG COMP achievements in 2017/2018.
  • To review specific competition cases and methodologies.

Main Methods:

  • Review of DG COMP activities and case law.
  • Analysis of the Google Search (Shopping) case.
  • Examination of price discrimination in state aid.
  • Assessment of counterfactuals in merger analysis.

Main Results:

  • Overview of DG COMP's 2017/2018 achievements.
  • Insights into the Google Search (Shopping) decision.
  • Understanding the application of price discrimination in state aid.
  • Evaluation of counterfactual methodologies in merger reviews.

Conclusions:

  • DG COMP actively enforces competition law across key domains.
  • Specific cases highlight the complexity of antitrust and merger reviews.
  • Methodological approaches, like counterfactuals, are crucial for effective enforcement.