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что такое комбинативная изменчивость
Комбинативная изменчивость представляет собой процесс, в основе которого лежит формирование рекомбинаций. Другими словами, образуются такие комбинации генов, которые отсутствуют у родителей. Далее подробнее будет рассмотрена комбинативная изменчивость и ее механизмы.
C uentos para segundo
El oso más grande y fuerte del bosque se creía invencible hasta que una tormenta le asustó con sus truenos, mostrando que incluso el más valiente puede tener miedo. Los otros animales se alegraron de haber encontrado la única cosa capaz de atemorizar al engreído oso.
медицинская генетика
- изучает закономерности наследственности и изменчивости у человека с точки зрения патологии
ПЕРШИЙ ДОБРОВОЛЬЧИЙ МОБІЛЬНИЙ ШПИТАЛЬ (ПДМШ) ІМ. МИКОЛИ ПИРОГОВА. Путівка н...
Що таке ПДМШ? Правові засади.Де працюють, проживають і харчуються медики-добровольці. Тривалість ротації. Як записатись у добровольці.
Recommended
что такое комбинативная изменчивость
Комбинативная изменчивость представляет собой процесс, в основе которого лежит формирование рекомбинаций. Другими словами, образуются такие комбинации генов, которые отсутствуют у родителей. Далее подробнее будет рассмотрена комбинативная изменчивость и ее механизмы.
C uentos para segundo
El oso más grande y fuerte del bosque se creía invencible hasta que una tormenta le asustó con sus truenos, mostrando que incluso el más valiente puede tener miedo. Los otros animales se alegraron de haber encontrado la única cosa capaz de atemorizar al engreído oso.
медицинская генетика
- изучает закономерности наследственности и изменчивости у человека с точки зрения патологии
ПЕРШИЙ ДОБРОВОЛЬЧИЙ МОБІЛЬНИЙ ШПИТАЛЬ (ПДМШ) ІМ. МИКОЛИ ПИРОГОВА. Путівка н...
Що таке ПДМШ? Правові засади.Де працюють, проживають і харчуються медики-добровольці. Тривалість ротації. Як записатись у добровольці.
Improving Flight Inspection by Automation Process
The document summarizes efforts by ENAV, the Italian air navigation service provider, to improve its flight inspection processes through automation and implementation of a new Flight Inspection Planning and Post-Processing Tool (FLIPP-TMS). A business process modeling analysis was conducted to identify workflows and gaps between current and regulatory requirements. This led to a proposed "to-be" scenario to guide development of FLIPP-TMS, which is expected to support mission planning, task management, documentation, data collection and post-processing in order to increase efficiency and quality of flight inspection activities.
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The aim of this briefing is to outline the importance of understanding the fuel system of any aircraft that you operate, and the importance of proper fuel planning
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This document describes the anatomy of the pectoral region, including the pectoralis major muscle, pectoralis minor muscle, serratus anterior muscle, and subclavius muscle. It discusses the origin, insertion, nerve supply, blood supply, actions, and clinical considerations of injuries or surgical flaps involving the pectoralis major muscle. The document also reviews the brachial plexus anatomy and branches of the axillary artery in the region.
Down regulation and addiction-most updated
1. Addiction is associated with changes in the brain's reward system and neurotransmitters like dopamine and serotonin. Drugs hijack the brain's natural reward pathways, triggering feelings of pleasure.
2. With repeated use, the brain adapts by reducing dopamine production and increasing the number of inhibitory neurotransmitter receptors. This leads to withdrawal symptoms when not on drugs, and cravings and compulsive drug seeking.
3. Addiction involves changes in both the old brain regions associated with pleasure and survival, and the new brain regions associated with self-control. This combination of reward pathways and impaired self-regulation promotes continued drug use despite negative consequences.
281 lec1 general_intro
This document provides an overview of the Introduction to Molecular Biology course. It introduces the instructor, Hasan Alhaddad, and provides information about course materials, lectures, exams, grading, and expectations. Key details include multiple choice exams, a cumulative final exam worth 40%, optional bonus stories for extra credit, and a focus on DNA, RNA, proteins, and related molecular processes in living organisms.
Freshwater ecosystem (2)
Freshwater ecosystems include lakes, ponds, rivers, streams, springs, and wetlands. There are two main types - lentic ecosystems, which are standing bodies of water, and lotic ecosystems, which are running water. Lentic ecosystems can be further divided into zones based on depth and vegetation. Lotic ecosystems have rapid zones with strong currents and pool zones with slower currents. Wetlands are areas that are periodically saturated or flooded with shallow water and support unique plant and animal communities. Forested wetlands include swamps and floodplain forests while tidal freshwater marshes occur along estuaries. Freshwater ecosystems provide important resources but occupy a small area globally.
Biology in Focus - Chapter 20
- Phylogeny is the evolutionary history and relationships between species as depicted in phylogenetic trees. These trees show how species are related through shared ancestors.
- Systematists use both morphological and molecular data to determine homologies and construct phylogenetic trees. Molecular data, like DNA sequences, provide especially strong evidence of evolutionary relationships.
- Phylogenetic trees group species into monophyletic clades based on shared derived characters. Cladistics aims to classify organisms based strictly on evolutionary relationships inferred from phylogenies.
Slideshow: Anterior Leg
The anterior leg compartment contains four muscles - Tibialis Anterior, Extensor Digitorum Longus, Extensor Hallucis Longus, and Peroneus Tertius. These muscles dorsiflex the ankle and extend the toes, arising from the tibia and fibula and inserting at various points on the foot. They are all supplied by the deep peroneal nerve. Injury to this nerve causes foot drop.
281 lec17 tRNA and rRNA
This document discusses translation, the process by which mRNA is used to produce a protein. It describes the key components needed for translation: mRNA, tRNA, amino acids, and ribosomes. tRNA carries amino acids to the ribosome and contains an anticodon that is complementary to mRNA codons. Ribosomes contain rRNA and proteins and are the site of protein synthesis. Both prokaryotes and eukaryotes have large and small ribosomal subunits, but they differ in their rRNA components and gene structure. The document outlines the process of tRNA charging with amino acids and how rRNAs are produced from rDNA genes to assemble into ribosomes.
Hip bone (Gross Anatomy)
The hip bone is formed by the fusion of three separate bones - the ilium, ischium, and pubis - in the pelvis. At puberty, these bones fuse together to form one large irregular bone. The hip bone articulates with the sacrum and forms the walls of the pelvis. It also connects with the opposite hip bone at the symphysis pubis. Several important structures pass through the foramina of the hip bone, including nerves, vessels, and muscles that connect to the lower limb.
Biology in Focus - Chapter 31
This document provides an overview of homeostasis and endocrine signaling. It discusses how feedback control maintains the internal environment in animals through hierarchical organization from cells to organ systems. Animals regulate their internal environment through negative feedback loops to maintain homeostasis, using mechanisms like thermoregulation and circulatory adjustments. The endocrine and nervous systems coordinate responses to stimuli through chemical signaling (hormones) and electrical signaling (neurons), respectively.
Chemistry of nucleotides
- Nucleotides are composed of a nitrogenous base (purine or pyrimidine), a pentose sugar (ribose or deoxyribose), and one or more phosphate groups. When a base combines with a sugar, a nucleoside is formed. The addition of phosphate groups forms nucleotides.
- The four bases found in nucleic acids are adenine, guanine, cytosine, and either thymine in DNA or uracil in RNA. These bases combine with either ribose or deoxyribose to form nucleosides like AMP, GMP, CMP, TMP, or UMP.
- Nucleotides are the monomers that make up nucleic acids DNA and RNA
20140827_presentation RiskAndCrisisManagement_final
The document discusses an integrated approach to risk and crisis management for terrorist attacks on public transportation networks. It presents a methodology developed by Cologne University of Applied Sciences (CUAS) to combine risk management and crisis management processes. The CUAS approach includes developing a crisis management process model, identifying interfaces between risk and crisis management, and assessing interdependencies. Simulation, tabletop, and crisis management exercises are used to collect data and validate the integrated approach. The goal is to enable transportation providers to more effectively protect their systems with less effort through an integrated risk and crisis management system.
LUNG ANATOMY
The lungs are a pair of cone-shaped respiratory organs located in the thoracic cavity. Each lung has an apex, base, and borders. The right lung has three lobes separated by two fissures, while the left lung has two lobes separated by one fissure. The root of each lung contains structures like the principal bronchus, pulmonary artery and veins, and nerves that enter and exit the hilum. Bronchopulmonary segments are independent respiratory units supplied by segmental bronchi, arteries, and multiple veins. The lungs receive arterial blood supply and have venous drainage pathways. They are innervated by both parasympathetic and sympathetic nerves.
Local flaps in head & neack reconstruction
A flap is a unit of tissue transferred from one site to another while maintaining its own blood supply. Flaps are classified based on their location as local or distant. Local flaps can be random, which rely on subdermal vessels, or axial, relying on named vessels. Flaps are also classified based on their composition, such as skin, muscle, or bone flaps. When planning local flaps, goals include color and thickness match, sensory preservation, and minimal secondary defects. Common local flap techniques include advancement, rotation, and transposition flaps to close facial defects. Complications can be prevented through proper planning to avoid tension and including a flap margin.
Sedative Hypnotic
This document provides an overview of sedative and hypnotic drugs. It begins with definitions of sedatives, hypnotics, and anxiolytics. It then discusses the history of sedative drugs from antiquity through modern times. It covers the classification, mechanisms of action, pharmacokinetics, therapeutic uses and adverse effects of major classes of sedative-hypnotics including barbiturates and benzodiazepines.
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Improving Flight Inspection by Automation Process
The document summarizes efforts by ENAV, the Italian air navigation service provider, to improve its flight inspection processes through automation and implementation of a new Flight Inspection Planning and Post-Processing Tool (FLIPP-TMS). A business process modeling analysis was conducted to identify workflows and gaps between current and regulatory requirements. This led to a proposed "to-be" scenario to guide development of FLIPP-TMS, which is expected to support mission planning, task management, documentation, data collection and post-processing in order to increase efficiency and quality of flight inspection activities.
Importance of Fuel Planning
The aim of this briefing is to outline the importance of understanding the fuel system of any aircraft that you operate, and the importance of proper fuel planning
Seminar Presentation On PMMC By Dr Abdul Qahar Qureshi
This document describes the anatomy of the pectoral region, including the pectoralis major muscle, pectoralis minor muscle, serratus anterior muscle, and subclavius muscle. It discusses the origin, insertion, nerve supply, blood supply, actions, and clinical considerations of injuries or surgical flaps involving the pectoralis major muscle. The document also reviews the brachial plexus anatomy and branches of the axillary artery in the region.
Down regulation and addiction-most updated
1. Addiction is associated with changes in the brain's reward system and neurotransmitters like dopamine and serotonin. Drugs hijack the brain's natural reward pathways, triggering feelings of pleasure.
2. With repeated use, the brain adapts by reducing dopamine production and increasing the number of inhibitory neurotransmitter receptors. This leads to withdrawal symptoms when not on drugs, and cravings and compulsive drug seeking.
3. Addiction involves changes in both the old brain regions associated with pleasure and survival, and the new brain regions associated with self-control. This combination of reward pathways and impaired self-regulation promotes continued drug use despite negative consequences.
281 lec1 general_intro
This document provides an overview of the Introduction to Molecular Biology course. It introduces the instructor, Hasan Alhaddad, and provides information about course materials, lectures, exams, grading, and expectations. Key details include multiple choice exams, a cumulative final exam worth 40%, optional bonus stories for extra credit, and a focus on DNA, RNA, proteins, and related molecular processes in living organisms.
Freshwater ecosystem (2)
Freshwater ecosystems include lakes, ponds, rivers, streams, springs, and wetlands. There are two main types - lentic ecosystems, which are standing bodies of water, and lotic ecosystems, which are running water. Lentic ecosystems can be further divided into zones based on depth and vegetation. Lotic ecosystems have rapid zones with strong currents and pool zones with slower currents. Wetlands are areas that are periodically saturated or flooded with shallow water and support unique plant and animal communities. Forested wetlands include swamps and floodplain forests while tidal freshwater marshes occur along estuaries. Freshwater ecosystems provide important resources but occupy a small area globally.
Biology in Focus - Chapter 20
- Phylogeny is the evolutionary history and relationships between species as depicted in phylogenetic trees. These trees show how species are related through shared ancestors.
- Systematists use both morphological and molecular data to determine homologies and construct phylogenetic trees. Molecular data, like DNA sequences, provide especially strong evidence of evolutionary relationships.
- Phylogenetic trees group species into monophyletic clades based on shared derived characters. Cladistics aims to classify organisms based strictly on evolutionary relationships inferred from phylogenies.
Slideshow: Anterior Leg
The anterior leg compartment contains four muscles - Tibialis Anterior, Extensor Digitorum Longus, Extensor Hallucis Longus, and Peroneus Tertius. These muscles dorsiflex the ankle and extend the toes, arising from the tibia and fibula and inserting at various points on the foot. They are all supplied by the deep peroneal nerve. Injury to this nerve causes foot drop.
281 lec17 tRNA and rRNA
This document discusses translation, the process by which mRNA is used to produce a protein. It describes the key components needed for translation: mRNA, tRNA, amino acids, and ribosomes. tRNA carries amino acids to the ribosome and contains an anticodon that is complementary to mRNA codons. Ribosomes contain rRNA and proteins and are the site of protein synthesis. Both prokaryotes and eukaryotes have large and small ribosomal subunits, but they differ in their rRNA components and gene structure. The document outlines the process of tRNA charging with amino acids and how rRNAs are produced from rDNA genes to assemble into ribosomes.
Hip bone (Gross Anatomy)
The hip bone is formed by the fusion of three separate bones - the ilium, ischium, and pubis - in the pelvis. At puberty, these bones fuse together to form one large irregular bone. The hip bone articulates with the sacrum and forms the walls of the pelvis. It also connects with the opposite hip bone at the symphysis pubis. Several important structures pass through the foramina of the hip bone, including nerves, vessels, and muscles that connect to the lower limb.
Biology in Focus - Chapter 31
This document provides an overview of homeostasis and endocrine signaling. It discusses how feedback control maintains the internal environment in animals through hierarchical organization from cells to organ systems. Animals regulate their internal environment through negative feedback loops to maintain homeostasis, using mechanisms like thermoregulation and circulatory adjustments. The endocrine and nervous systems coordinate responses to stimuli through chemical signaling (hormones) and electrical signaling (neurons), respectively.
Chemistry of nucleotides
- Nucleotides are composed of a nitrogenous base (purine or pyrimidine), a pentose sugar (ribose or deoxyribose), and one or more phosphate groups. When a base combines with a sugar, a nucleoside is formed. The addition of phosphate groups forms nucleotides.
- The four bases found in nucleic acids are adenine, guanine, cytosine, and either thymine in DNA or uracil in RNA. These bases combine with either ribose or deoxyribose to form nucleosides like AMP, GMP, CMP, TMP, or UMP.
- Nucleotides are the monomers that make up nucleic acids DNA and RNA
20140827_presentation RiskAndCrisisManagement_final
The document discusses an integrated approach to risk and crisis management for terrorist attacks on public transportation networks. It presents a methodology developed by Cologne University of Applied Sciences (CUAS) to combine risk management and crisis management processes. The CUAS approach includes developing a crisis management process model, identifying interfaces between risk and crisis management, and assessing interdependencies. Simulation, tabletop, and crisis management exercises are used to collect data and validate the integrated approach. The goal is to enable transportation providers to more effectively protect their systems with less effort through an integrated risk and crisis management system.
LUNG ANATOMY
The lungs are a pair of cone-shaped respiratory organs located in the thoracic cavity. Each lung has an apex, base, and borders. The right lung has three lobes separated by two fissures, while the left lung has two lobes separated by one fissure. The root of each lung contains structures like the principal bronchus, pulmonary artery and veins, and nerves that enter and exit the hilum. Bronchopulmonary segments are independent respiratory units supplied by segmental bronchi, arteries, and multiple veins. The lungs receive arterial blood supply and have venous drainage pathways. They are innervated by both parasympathetic and sympathetic nerves.
Local flaps in head & neack reconstruction
A flap is a unit of tissue transferred from one site to another while maintaining its own blood supply. Flaps are classified based on their location as local or distant. Local flaps can be random, which rely on subdermal vessels, or axial, relying on named vessels. Flaps are also classified based on their composition, such as skin, muscle, or bone flaps. When planning local flaps, goals include color and thickness match, sensory preservation, and minimal secondary defects. Common local flap techniques include advancement, rotation, and transposition flaps to close facial defects. Complications can be prevented through proper planning to avoid tension and including a flap margin.
Sedative Hypnotic
This document provides an overview of sedative and hypnotic drugs. It begins with definitions of sedatives, hypnotics, and anxiolytics. It then discusses the history of sedative drugs from antiquity through modern times. It covers the classification, mechanisms of action, pharmacokinetics, therapeutic uses and adverse effects of major classes of sedative-hypnotics including barbiturates and benzodiazepines.
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Seminar Presentation On PMMC By Dr Abdul Qahar Qureshi
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