AH Biology - Unit 1 - KA2(c) - Protein Structure, Ligand Binding, and Conformational Change

Nederlands De legende

Thema 2: gesteenten

Ligações Iônicas e Covalentes - resumo de química - 2°T AV2

Protein Ligand Interactions

Názvosloví ligandů

complex ions and ligands

AK begrippenlijst P4 lj1

Philippine Literature: Myths, Folktales, and Legends

Arctic Map

Les 12 - Urban Legends

Urban areas and development

Ligand binding

About Mercury: Founded in 1961, Mercury Insurance is a leading provider of auto, home, renters, and business insurance, serving California and several other states. Renowned for its competitive rates and exceptional customer service, Mercury has earned multiple accolades, including recognition as one of “America’s Best Midsize Employers” by Forbes and one of “America’s Greatest Workplaces for Mental Wellbeing” by Newsweek. The company partners with independent agents and offers a range of discounts for policy bundling, safe driving, and vehicle safety features. Mercury's Core Values: We do the Right Thing – We put people first. We treat people the way we want to be treated. We Own It – We act with initiative and passion, balancing decisiveness, and attention to detail to drive results. We Seek a Better Way – We are explorers discovering new paths forward. We overcome challenges with bold and creative solutions and learn from every step. We Move Quickly – We move with Mercurian speed. We swiftly put ideas into action and rapidly adapt in a changing world. Here are some quick, fun facts about Mercury Insurance: The "Mercurian" Name Origin: The company was named after the Roman god Mercury, the swift-footed messenger of the gods. This is exactly where their core value of "Mercurian speed" comes from—meaning they take pride in moving fast, adapting quickly, and putting ideas into action smoothly. A True California Pioneer: Founded in 1961 by a man named George Joseph, Mercury started as a tiny operation in California. Today, it is one of the most dominant, leading providers of auto and home insurance in the entire state, alongside its expansion into several other states. The $1,000 Start: Legend has it that the founder, George Joseph, started the company with just six employees and about $1,000 of his own savings. He went on to lead the company for decades, becoming one of the oldest and longest-serving CEOs in corporate history before passing away recently. Double-Award Winner: They aren't just an insurance powerhouse; they are officially recognized as a top-tier place to work. They hold titles as one of "America’s Best Midsize Employers" by Forbes and one of "America’s Greatest Workplaces for Mental Wellbeing" by Newsweek. The Independent Agent Champions: While many massive carriers have shifted completely to automated, direct-to-consumer online selling, Mercury has fiercely championed the human element. They partner heavily with independent agents and brokers, believing that local, expert relationships are the best way to write smart, personal business. Here are the direct duties and responsibilities for a Commercial Auto & Fleet Underwriter broken down into simple, real-world terms: Evaluating "MVRs" (Motor Vehicle Reports): You pull and analyze the driving records of all the employees listed on the business policy. You are looking for red flags like DUIs, reckless driving, or too many speeding tickets to ensure the drivers are safe to be on the road. Analyzing Vehicle Use and Radius: You determine exactly how the vehicles are being used and where they are going. For example, a local plumber driving a pickup truck within a 15-mile radius is a much lower risk than a delivery van driving hundreds of miles a day in heavy stop-and-go city traffic. Assessing Gross Vehicle Weight (GVW): You look at the size and weight of the business vehicles. A massive, heavy-duty dump truck or a semi-truck can cause significantly more damage in an accident than a standard sedan, meaning it requires higher coverage limits and precise pricing. Reviewing Fleet Loss Runs: For businesses with multiple vehicles (a fleet), you look at their multi-year claims history. You calculate the "frequency" (how often they get into accidents) versus the "severity" (how expensive the accidents are) to see if the business has a safe driving culture. Verifying Business Classification: You make sure the business is classified correctly under company guidelines. Insuring a catering van is a completely different risk level than insuring a vehicle used for emergency towing services. How to say this naturally on Monday Commercial Underwriting (Auto & Fleet): "At GEICO, my commercial focus was specifically on Commercial Auto and Fleet underwriting. On a daily basis, I was responsible for looking at driver MVRs, evaluating how far and how often these business vehicles were traveling, and analyzing their multi-year loss runs. My goal was to make sure that the premium we charged accurately matched the real-world risk of those vehicles being out on the road." What Does a Commercial Underwriter Do? In short, a commercial underwriter evaluates the risk of insuring businesses rather than individuals. They protect the insurance company's financial bottom line by deciding which businesses are safe to insure and how much those businesses should pay for their policies. Their day-to-day responsibilities include: Analyzing Business Operations: They review what a company actually does (e.g., Is it a restaurant? A construction company? A retail store?) to understand the unique safety hazards involved. Reviewing Financial Statements: They look at a business’s balance sheets, revenue, and financial health to ensure the company is stable and not a moral hazard or a bankruptcy risk. Analyzing Loss Runs (Claims History): They look at a company's past insurance claims to see if there is a pattern of frequent accidents, lawsuits, or safety issues. Pricing and Guidelines: They apply corporate and state guidelines to calculate appropriate premiums, set coverage limits, or add specific exclusions to a policy. What is a Broker: Their main job is to shop around the entire market to find the best coverage and pricing for their client's specific risk profile. Here is a quick, conversational breakdown of what they do, their responsibilities, and how they interact with you as an underwriter: Core Responsibilities of a Broker Shopping the Market: They analyze their client's needs and gather quotes from multiple different insurance carriers to compare coverages and rates. Risk Assessment & Consultation: They review a client’s assets or business operations to figure out what kind of exposures they have and advise them on how much coverage they actually need. Policy Management: They help clients fill out applications, handle policy renewals, process endorsements (changes to the policy), and sometimes help navigate the claims process if something goes wrong. Fiduciary Duty: Because they represent the client, they have a legal and ethical duty to act in the client's best interest, not the insurance company's. Why do you feel you're a great candidate for Mercury Insurance and why? "I’m a great candidate because I already understand the day-to-day rhythm of managing a profitable personal lines book and partnering with independent agents. My time at State Farm and GEICO taught me how to balance sharp attention to detail with the data-driven decisiveness needed to truly own it when making risk decisions. Because of my fast-paced background, I naturally operate with that Mercurian speed, making accurate choices without sacrificing quality. At the same time, my communication background ensures I always do the right thing by putting people first and maintaining diplomatic relationships with our agents. Ultimately, you’re getting someone who can step into this remote role on day one, align with your values, and immediately help drive results

1. Miastenia Gravis: La falla en la comunicación neuromuscular La Miastenia Gravis (MG) no es un problema del músculo en sí, sino de la transmisión de la señal nerviosa hacia él. Es una enfermedad autoinmune y fluctuante. ¿Dónde ocurre? En la membrana postsináptica de la unión neuromuscular. El nervio suelta la acetilcolina (el mensajero), pero el músculo no puede recibirla correctamente. Los culpables (Anticuerpos): El sistema inmune destruye los receptores. El documento menciona tres tipos: Anti-AChR (85%): Los más comunes. Anti-MuSK (10-15%): Suelen dar cuadros más severos, con mucha afectación de cara, cuello y músculos respiratorios. Anti-LRP4 (5%): Casos más leves. Nota clínica clave: Que los análisis salgan negativos (seronegativa) no descarta la enfermedad. Clínica (El día a día del paciente): La palabra clave aquí es fatigabilidad. El paciente se levanta bien, pero a medida que usa los músculos, se agotan. Ptosis y Diplopía: Párpado caído y visión doble (los músculos oculares son los primeros en afectarse). Crisis Miasténica: Es la complicación más grave. El diafragma se debilita tanto que el paciente entra en paro respiratorio. Diagnóstico: Además del laboratorio y la electromiografía (EMG), destaca la Prueba del Hielo (el frío mejora temporalmente la transmisión neuromuscular y levanta el párpado caído) y la TAC de Tórax. Esta última es vital porque la MG está súper ligada a alteraciones del timo (hiperplasia o timoma), que es donde se "entrenan" mal esos anticuerpos. 2. Distrofias Musculares: El daño estructural del músculo A diferencia de la Miastenia, aquí el problema sí es estructural y genético. Es una distrofinopatía. La proteína ausente (Distrofina): Imagina que la distrofina es el "amortiguador" o el pegamento que protege la membrana de la célula muscular cada vez que se contrae. Sin ella, el músculo se rompe con el uso y se destruye progresivamente. Genética: Ligada al cromosoma X (Xp21). Las mujeres suelen ser portadoras sanas y los hombres desarrollan la enfermedad. Duchenne vs. Becker: Duchenne: Es la forma grave. No hay nada de distrofina. Inicia en la infancia temprana (2-3 años) y el deterioro es rápido. Becker: Es más noble. Hay distrofina, pero es defectuosa o insuficiente. Inicia más tarde (adolescencia o adultez) y progresa lento. Signos Clínicos Típicos: Debilidad Progresiva NO Fluctuante: Aquí no hay días buenos o malos como en la Miastenia; el músculo se va perdiendo. Empieza en la cintura pélvica. Signo de Gowers: Como los músculos de la pelvis y piernas están débiles, el niño tiene que "escalar sobre sí mismo" usando las manos para poder ponerse de pie. Pseudohipertrofia de gemelos: Las pantorrillas se ven grandes y fuertes, pero es un engaño; el músculo destruido fue reemplazado por grasa y tejido conectivo. Marcha Anserina: Camina balanceando la cadera de un lado a otro (como un pato) por debilidad del glúteo medio. Tratamiento: Se usan corticoides para retrasar la pérdida de fuerza y proteger la función pulmonar/cardíaca el mayor tiempo posible. 3. Parálisis Cerebral (PC): Lesión en un cerebro en desarrollo La PC es una lesión fija (no va a empeorar ni a extenderse), pero ocurre en un cerebro inmaduro, lo que altera el desarrollo motor de por vida. Los detonantes principales: El documento apunta directo a la prematurez (< 36 semanas) y al bajo peso (< 2500g). Los vasos sanguíneos de un bebé prematuro son sumamente frágiles; ante cualquier cambio de presión o falta de oxígeno (hipoxia), se rompen o se infartan las zonas cercanas a los ventrículos cerebrales (vía piramidal), dejando secuelas motoras. Clasificación según la zona dañada: 1 Espástica (80-85%): Daño en la corteza cerebral / vía piramidal. Los músculos están rígidos, tensos y los reflejos exagerados. Dependiendo de qué lóbulo o zona afecte, puede asociarse a epilepsia o problemas cognitivos. 2 Discinética/Atetoide (10-15%): Daño en los núcleos basales. Produce movimientos involuntarios, descoordinados y cambios bruscos en el tono muscular (pasa de rígido a flácido). Se relaciona con posturas distónicas o movimientos de corea. 3 Atáxica (5%): Daño en el cerebelo. El principal problema es el equilibrio, la coordinación de movimientos y el tono muscular bajo (hipotonía), acompañado a veces de nistagmus (movimiento involuntario de los ojos). Cambios estructurales visibles en imagen (USG/RMN): Destaca la atrofia periventricular, que lesiona directamente las fibras que controlan el movimiento de las piernas y brazos, y la ventriculomegalia (dilatación de los ventrículos por pérdida de tejido cerebral circundante)

TMs 2 - Ch 12 - 14 - ligand effects, reaction types, catalysis

forskning som inte har någon särskild tillämpning i syfte? Grundforskning Vilken forskningsansats innebär att empiriska upptäckter sammanställs i teoribyggande syfte? Induktion Vilken forskningsansats söker harmoni mellan befintlig teori och empiri? Abduktion Vem introducerade begreppet paradigm? Thomas Kuhn Vad kallas det forskningssystem från vilket forskaren baserar sina grundantaganden och principer? Paradigm Vad innefattar idéer om vad som anses vara kunskap? Epistemologi Vad innefattar idéer om verklighetens beskaffenhet? Ontologi Vilken inriktning försöker efterlikna det naturvetenskapliga idealet? Positivism Vilken inriktning fokuserar på människors upplevelser och tolkningar? Interpretivism Vilken inriktning menar att verkligheten finns men inte är direkt tillgänglig? Kritisk realism Vilken inriktning betonar praktisk användbarhet och konsekvenser? Pragmatism Vad är det överordnade motivet för vetenskaplig undersökning? Bidra med ny kunskap Vad kallas kunskap som beskriver hur något bör utformas? Preskriptiv kunskap Vad beskriver bäst en litteraturgenomgång? En orientering i kunskapsläget Var i en uppsats står syftet mest sannolikt? Introduktion Vad kallas forskningsstrategin där forskaren aktivt deltar i förändringsarbete? Aktionsforskning Vilken studie ger sekundärdata? Dokumentstudie Vilken typ av urval används när deltagare är lättillgängliga? Bekvämlighetsurval Vilken typ av urval är inte sannolikhetsbaserat? Jämförelseurval Vilken skala används för grupper som inte kan rangordnas? Nominalskala Vilken skala används när rangordning finns men avstånd saknas? Ordinalskala Vilken skala har lika avstånd men ingen naturlig nollpunkt? Intervallskala Vilken skala har naturlig nollpunkt? Kvotskala Vad är medelvärdet av talserien 1, 3, 9, 9, 11, 12, 13, 14, 15, 16? 10,3 Vad är medianen av talserien 1, 3, 9, 9, 11, 12, 13, 14, 15, 16? 11,5 Vad är typvärdet av talserien 1, 3, 9, 9, 11, 12, 13, 14, 15, 16? 9 Vad kallas ett testbart påstående byggt på tillgänglig kunskap? Hypotes Vad kallas principen där forskare ifrågasätter påståenden tills det finns saklig grund? Skepticism Vad kallas något som är skapat eller konstruerat, till skillnad från naturligt förekommande? Artefakt Vad kallas data som är numerisk? Kvantitativ data Vad kallas forskningsansatsen där teoretiska antaganden testas empiriskt? Deduktion Hur kan induktion beskrivas? Upptäckande ansats Vilken typ av kunskapssökning formuleras som en vad-fråga? Klassificerande kunskapssökning Vilken typ av kunskapssökning formuleras som en varför-fråga? Förklarande kunskapssökning Vad ingår i en forskares paradigm? Etiska riktlinjer Vilken validitet avser mätinstrumentets innehåll i relation till dess syfte? Innehållsvaliditet Vilken validitet avser överlappet mellan operationell definition och det som ska mätas? Begreppsvaliditet Hur beskrivs en fallstudie med ett fall och en analysenhet? Enfallsdesign, holistisk utformning Hur beskrivs en fallstudie med ett fall och flera analysenheter? Enfallsdesign, inbäddad utformning Hur beskrivs en fallstudie med flera liknande fall och en analysenhet? Flerfallsdesign, holistisk utformning Hur beskrivs en fallstudie med flera liknande fall och flera analysenheter? Flerfallsdesign, inbäddad utformning Vilken deltagandenivå är mest sannolik vid interaktiv forskning på en högskola? Måttligt deltagande Vad kallas en intervju vars instrument påminner om en enkät? Strukturerad intervju Vad är reliabilitet? Att en mätning är tillförlitlig och ger samma resultat vid upprepning Vad är validitet? Att man mäter det som avses att mätas Vad är en population? Alla enheter som studien avser Vad är ett stickprov? En delmängd av populationen

complex ions and ligands

PHSC1613 Pharmacology - Lecture 3 Ligand-Receptor Theory: Antagonists

PHSC1613 Pharmacology - Lecture 2 Ligand-Receptor Theory: Ligand Binding vs Effect