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الفصل 1

الحمض ا لنووى الريبوزى منقوص الاكسجين , خلايا , التطور

حلزون الحمض النووي DNA
Deoxyribonucleic acid, or DNA, is the genetic material responsible for passing traits from generation to generation in all organisms and most…
الهدف الرئيسي
The central dogma of biology states that information encoded in the DNA is transferred to messenger RNA (mRNA), which then directs the synthesis of…
خلايا بدائية النواة
Prokaryotes are small unicellular organisms in the domains Archaea and Bacteria. Bacteria include many common organisms such as Salmonella and…
تقسيم حقيقيات النوى
One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles—such as the nucleus and…
شجرة الحياة , البكتريا ,البكتريا القديمة , وحقيقات النوى
The “tree of life” describes the evolution of life and the evolutionary relationships between organisms. The root of the tree is the…
الطفرات
Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors.…
التطور الجينى , سريع ام بطىء ؟
The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do…
حجم الجينوم وتطور الجينات الجديدة
While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One…
عائلات الجينات
Gene families consist of groups of genes proposed to have originated from a common ancestor. Typically these arise through events in which a gene or…
انواع النقل الجينى بين الكائنات الحية
Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and…
الجمع بين التعديلات الوراثية والكيميائية قفيصه ناقلات نقل الجينات على أساس إتش التدريع واستهداف
Adenovirus vectors are potent tools for genetic vaccination and oncolytic virotherapy. However, they are prone to multiple undesired vector-host…
قطره واحدة رقمي البلمرة المتسلسل لكشف شامل ومتزامن من الطفرات في المناطق الساخنة
Droplet digital polymerase chain reaction (ddPCR) is a highly sensitive quantitative polymerase chain reaction (PCR) method based on sample…
التنقل MARRVEL، أداة على شبكة الإنترنت التي تدمج علم الجينوم البشري ونموذج معلومات علم الوراثة الكائن الحي
Through whole-exome/genome sequencing, human geneticists identify rare variants that segregate with disease phenotypes. To assess if a specific…

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