Science & Medical Videos Dnatube
9088 views
Hedgehog Gradient
How does growing embryo knows where is head and where is tail supposed to be? The level of ...
8756 views
Cyclopamine
The normal Hedgehog signaling pathway is blocked by the receptor antagonist cyclopamine. Video ...
7683 views
Evolution and molecular and bioinforma ...
Demonstration how scientists use genetic data to build a phylogeny and determine relatedness ...
21452 views
HIV DNA Vaccine
What kind of vaccine are we supposed to create in order to protect ourselves form HIV infecrion. ...
10325 views
Increased Receptor Sensitivity
In LTP, it is now known that the postsynaptic neuron becomes more sensitive to neurotransmitter ...
11964 views
Microarray Experiment explained
A depiction of a typical microarray experiment to discover which genes are expressed in a given ...
10285 views
How does Open Reading Frame operates?
A brief description of the concept of an open reading frame (ORF). Each codon (capital letters) ...
8640 views
Synaptic Vesicles
Synaptic vesicles fuse with the presynaptic membrane, freeing neurotransmitter molecules into ...
16042 views
The Signal Transduction Pathway
Cells grow only if they are "told" to do so. It is done by exposing cell to growth factor ...
11128 views
Can viruses be transferred between spe ...
This video shows antigenic shift in virus that causes flu. Antigenic shift is change that ...
17161 views
Chemotaxis of protist
Single cell moving toward a micropipette containing the chemoattractant cAMP. Note that the cell ...
49443 views
Hemoglobin: Oxygen Binding
Hemoglobin is red pigment commonly found in animal's red blood cells. It bounds oxygen in lungs, ...
23499 views
Protein Structure Revealed: x-ray crys ...
X-ray crystallography is analytic method to determen position of atoms in molecules. Crystal is ...
16529 views
DNA, DNA - are you mine? Sequencing.
DNA sequencing is process of knowing sequence of nucleotide bases. It is used in forensics, ...
34466 views
Zebrafish Heart Regeneration
When the zebrafish heart is damaged, the wound site is rapidly sealed with a fibrin clot that ...
29486 views
Cancer formation and Angiogenesis
Angiogenesis is a physiological process involving the growth of new blood vessels from ...
6399 views
Angiogenesis during tumor formation
Angiogenesis is process of formation of new blood vessels. Since tumors are grown on existing ...
30312 views
How enzymes work?
The basic idea of a catalyst(enzymes). Enzymes are proteins that lower the energy of activation. ...
28144 views
Western Blot (Immunoblot)
Western blot may be used to enhance power of SDS PAGE (protein electrophoresis). Is is sensitive ...
16330 views
Single Heart Muscle Cell
If heart cells are cultivated in vitro (in plastic dish with some growth medium), individual ...
7983 views
Neurite Outgrowth
Hippocampal neuronal precursor cells from embryo were obtained and cultured. They differentiate ...
7592 views
Breast tumor cells vs. normal breast cells
Normal human breast epithelium cells grown in vitro are organised in packages from which mammary ...
16553 views
HIV: Biology and life cycle
HIV is name for Human Immunodeficiency Virus. This is virus which can cause AIDS. Video ...
37442 views
SDS - Polyacrylamide Gel Electrophores ...
SDS PAGE in powerful analytic process. It is use to separate protein mixture on basis of protein ...