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RNA Silencing | Biotechnology & its Applications Part 2 | Biology Class 12 | HINDI

Hello students. In this presentation, we will learn about RNA silencing / interference. Before understanding RNA silencing, let’s discuss about Central Dogma in brief. According to this concept, genetic information is stored in DNA. When DNA undergoes transcription, we get three types of RNA. But in this discussion, we will focus on mRNA only. This […]

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HIV-AIDS | Human Health & Disease Part 7 | Biology Class 12 | HINDI

topic of this presentation is HIV-AIDS first of all, we will discuss about Human Immunodeficiency Virus (HIV) and its structure See in the diagram, this is a lipid membrane and some glyco-proteins are associated with it these glyco-proteins help virus attaching to the cell membrane receptors and infecting it and it is a protein capsid […]

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Implantation & Pregnancy | Human Reproduction Part 7 | Biology Class 12 | HINDI

the topic of this presentation is implantation and pregnancy Cleavage is a special kind of mitotic division which starts in zygote and continues till formation of blastula the daughter calls formed during cleavage are known as blastomeres G1 phase of cell cycle does not occur during cleavage recall cell cycle, cytoplasm content of daughter cell […]

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Human Excretory System Part 1 | Basics | Biology Class 11 | Hindi

the topic of this presentation is human excretory system part 1 in this presentation we will discuss some basics related to excretory system first of all we will discuss about this term Metabolism because this term will be used in our discussion ahead metabolism means that all the chemical processes – chemical reactions that occur […]

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Structure of Ear & Mechanism of Hearing | Nervous System Part 8 | Biology Class 11 | Hindi

topic of this presentation is Structure of Ear & Mechanism of Hearing let’s first discuss structure of ear in brief External ear, middle ear and internal ear- we divide ear in these three parts pinna, External auditory canal (meatus) and tympanic membrane these are three parts of external ear Eustachian tube and three ear ossicles […]

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Distribution of DNA during Cell division | Class 11 Biology

The topic of this presentation is DNA Distribution during cell division, chapter 10, part 4. When we teach meiosis to our students, some common confusions regarding the topic remain unanswered and we get comments on YouTube that if the number of chromosomes becomes half in meiosis 1 then what happens in meiosis 2? And some […]

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