Science & Medical Videos Dnatube

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Human Migration Hypotheses

Most scientists agree that an early hominid species evolved in Africa and spread across the Old ...

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How a Proto-Oncogene Becomes an Oncogene

A depiction of some types of mutations that can occur to turn a proto-oncogene into an oncogene. ...

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The process by which HIV infects

Generally a slow progressive disease, the virus is always present in the body at all stages.

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HIV DNA Vaccine

What kind of vaccine are we supposed to create in order to protect ourselves form HIV infecrion. ...

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Haplotypes

A haplotype is the genetic constitution of an individual chromosome. Haplotype may refer to only ...

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Evolution and molecular and bioinforma ...

Demonstration how scientists use genetic data to build a phylogeny and determine relatedness ...

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Four-Gene DNA Vaccine

Creating a DNA vaccine for malaria will involve producing antigens from several stages of the ...

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Efflux Pump

An efflux pump is a mechanism used by bacteria to eject antibiotics before they can affect the ...

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Dilution Effect

As suburbs developed in New England, the forest habitat became more patchy, resulting in the ...

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Creation of a Transgenic Animal

Transgenic organism is one which has artificially (usually by human) inserted gen in it's ...

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BLAST the Search Engine

BLAST is algorithm which compares biological sequences. Sequence is array of data, so there are ...

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Understanding Bacterial Transformation

Any genes (including antibiotic resistance genes) can be obtained by the uptake of free-floating ...

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Genetic Material Exchange in Bacterial ...

Bacterial conjugation is the transfer of genetic material between bacteria through direct ...

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Factors Involved in Antigenic Shift

The genetic change enables a flu to jump from one animal species to another.The influenza virus ...

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Homeodomain

A 3-D model of a protein with a homeodomain. It acts as a transcription factor by binding ...

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Cyclopamine

The normal Hedgehog signaling pathway is blocked by the receptor antagonist cyclopamine. Video ...

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Hedgehog Signaling

The Hedgehog signaling pathway triggers expression of other developmentally important genes. ...

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Hedgehog Gradient

How does growing embryo knows where is head and where is tail supposed to be? The level of ...

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Spatial and Temporal Colinearity - Hox ...

Hox genes display spatial colinearity: genes at one end of the chromosome are expressed at the ...

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Specific (Adaptive) immunity: humoral ...

Specific immunity, also known as adaptive immunity or acquired immunity active or passive, ...

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Contruction of Recombinant DNA

Here is some information about recombinant dna: Recombinant DNA (rDNA) is an artificial DNA ...

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DNA and cell's response to radiation.

This video shows consequences of the radiation (Gamma-Rays) on DNA in Deinococcus radiodurans ...

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Function of Retinoic Acid during Devel ...

A retinoic acid gradient controls the activation of many developmentally important genes. ...

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The Telomere

A telomere is a structure which is at the end of a chromosome. This video explains how the size ...

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