BASIC LIFE SUPPORT.pptx
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Basic life support (BLS) is pre-hospital medical care provided by trained responders in the absence of advanced care. BLS focuses on maintaining airway, breathing, and circulation through techniques like head-tilt chin-lift maneuver, rescue breathing, chest compressions, and use of basic airway adjuncts. BLS is meant to stabilize patients until higher level responders can provide advanced cardiac life support with drugs and other interventions.
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you can save the life of a person or lives of people if you know how to do CPR . You don't have to do any extra study or degree . You have to just gain a thorough knowledge about CPR and prepare yourself to help others anytime anywhere .
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The document describes the lac operon system, which was the first operon described in 1961 and controls the catabolism of lactose in prokaryotes. The lac operon has 5 structural units - a promoter, operator, three structural genes (LacZ, LacY, LacA) that encode enzymes for lactose breakdown, CAP binding sites, and a regulatory gene. When lactose is absent, a repressor protein binds to the operator, preventing transcription of the structural genes. When lactose is present, it binds to the repressor and causes a conformational change that releases it from the operator, allowing transcription and the breakdown of lactose.
LAC OPERON 2.pptx
The lac operon is a cluster of three genes in prokaryotes that are involved in processing the sugar lactose. It consists of a promoter, operator, and structural genes. The lac operon is inducible, meaning it is only transcribed when lactose is present. Depending on whether lactose and glucose are present or absent, the lac operon will be either actively transcribed or transcriptionally inactive.
DNA STRUCTURE AND TYPES.pptx
DNA is a double-stranded molecule composed of nucleotides that contain nitrogenous bases, a deoxyribose sugar, and a phosphate group. The bases--cytosine, thymine, adenine, and guanine--form rungs of a twisted ladder structure, while the alternating sugar and phosphate molecules form the sides. Watson and Crick discovered that the bases pair up specifically through hydrogen bonds to form the DNA double helix, which contains the genetic information needed to build an organism. DNA can take on different secondary structures including A-DNA, B-DNA, and Z-DNA forms.
TOPIC-DNA repair mechanism and their types.pptx
DNA repair mechanisms are necessary to correct damage to DNA that could otherwise lead to mutations and cancer. There are several types of DNA repair mechanisms that address different types of damage, including base repair through excision, resynthesis and ligation of bases, nucleotide excision repair to address mismatches, and mismatch repair to fix errors. Double stranded breaks can be repaired through non-homologous end joining or homologous recombination repair.
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#فهم_ماكو_درخ
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واخيراً هذهِ الملزمة حلالٌ عليكم وإتمنى منكم إن تدعولي بالخير والصحة والعافية فقط
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- 1. TOPIC NAME – BASIC LIFE SUPPORT
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