Biology with Umbreen Ashraf
Biology with Umbreen Ashraf
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Stages of xerosere video
This video is very helpful in understanding the way in which primary succession takes place in dry land. In this video all the stages of xerosere i.e. crustose lichen stage, foliage lichen stage, moss stage, herbaceous stage, shrub stage and climax forest stage are discussed in detail. Video will be very helpful to understand the primary succession in terrestrial environment.
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Відео

Types of solutions video
Переглядів 374 роки тому
This video is very helpful in understanding the types if solutions,it explains the difference between isotonic, hypotonic and hypertonic solutions. This video also clears the effect of isotonic, hypotonic and hypertonic solutions on the animal cell.
Ecological succession video
Переглядів 754 роки тому
This video is helpful in understanding what is succession and types of succession. Video helps to understand ecological succession and basic types of ecological succession on land.
Processing of mRNA in eukaryotes video (Transcription part II)
Переглядів 524 роки тому
This video is helpful in understanding the processing of mRNA in eukaryotes. In this video steps of processing are discussed in detail,the exons and introns are explained along with the working and importance of spliceosomes. The splicing is discussed in detail and importance of cap and tail on the mRNA in providing stability to mRNA has been discussed in detail.
Transcription video (part-I)
Переглядів 944 роки тому
This video is very helpful in understanding the process of transcription in prokaryotes and eukaryotes, in this video the initiation elongation and termination of the transcription is discussed in detail. promoter (upstream sequences) and downstream sequences are discussed in detail. termination of transcription is well explained and how transcription bubble is formed and then moves downstream ...
Food Chain & Food web video
Переглядів 804 роки тому
This video is very helpful in understanding the difference between food chain and food web. Video clear the way in which food web stabilizes an ecosystem. in this video recycling of the nutrients between abiotic and biotic part of the ecosystem is also discussed.
Components of ecosystem video(chapter 25 part II)
Переглядів 764 роки тому
video is very helpful in understanding the basic components of ecosystem. Producers, consumers and decomposers are explained in detain. Types of consumers on the basis of feeding habits are explained clearly.
Replication video (Part-II)
Переглядів 624 роки тому
This video will be helpful in understanding the process of replication. It explains all the requirements of replication. All the enzymes which are working in the process of replication are discussed in this video in detail. It also explains the structure of DNA polymerase III. Activities of helicase, initiator proteins, gyrase enzyme are also explained. This video also explain elongation of new...
Replication video(part-1)
Переглядів 984 роки тому
This video will be helpful in understanding the process of replication. It explains all the requirements of replication. All the enzymes which are working in the process of replication are discussed in this video in detail. It also explains the structure of DNA polymerase III. Activities of helicase, initiator proteins, gyrase enzyme are also explained in this part of the video.
Ecological Terms video
Переглядів 3194 роки тому
Video is helpful to understand the basic ecological terms required to study ecosystems and ecology. It is clearing the concept about ecology,population,community,habitat, niche, biome,ecosystem, biosphere, autecology and synecology.
blood circulatory system of mussel video
Переглядів 7814 роки тому
video explains the components of circulatory system of unio (freshwater mussel), video is helpful in understanding the major blood vessels and circulation of blood between heart and body parts of freshwater mussel.
Ecdysis video
Переглядів 1934 роки тому
"Video is very helpful to understand the role and interaction of ecdyson and juvenile hormones during ecdysis and metamorphosis in arthropods."
Metamorphosis video
Переглядів 544 роки тому
This video will be helpful in understanding the process of metamorphosis and types of metamorphosis in arthropods
Interspecific interactions
Переглядів 1474 роки тому
video is about the types of interspecific interactions. The types are well explained with the help of examples.
control system video
Переглядів 434 роки тому
students will be able to understand how a control system within living bodies work and what are the components of control system?
Intra-specific interactions(population Ecology part 2) video
Переглядів 874 роки тому
Intra-specific interactions(population Ecology part 2) video
Population Ecology part-1
Переглядів 1134 роки тому
Population Ecology part-1

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