The scientists didn't mess with the mice - these were already-exising mutations. I think the ...
Interleukin-1 binding to its receptor on a cell surface, created from structural data. In ...
Kinesin is motor protein, moving organelles in cell.
Kinesin is a processive (step-by-step) motor that pulls organelle long microtubules. It this ...
A short animation on the mechanism of prion diseases. The entry of the infectious prion proteins ...
Buffer solutions are solutions which resist change in hydronium ion and the hydroxide ion ...
Plants transport water with minerals via xylem. Since xylem is dead, how-com water can get from ...
Isotopes are any of the several different forms of an element each having different atomic mass ...
Covalent bond is a form of chemical bond in which atoms share electron pairs. Covalent bonds can ...
The structure of DNA is illustrated by a right handed double helix, with about 10 nucleotide ...
Salt dissolves in water. When salt is put in water, the sodium which is positively charged is ...
Ionic bonds are a type of chemical bond based on electrostatic forces between two ...
This video show DNA replication which is a fundamental process occurring in all organisms to ...
Cytomembrane is a thin membrane around the cytoplasm of a cell. It controls passage of ...
Cilia and flagella are projections from the cell. They are made up of microtubules , as shown in ...
Osmosis is the movement of water molecules from an area of higher concentration to an area of ...
Cytoplasmic streaming is the flowing of cytoplasm in eukaryotic cells. This occurs in both plant ...
A mosaic is a structure made up of many different parts. The plasma membrane, a fluid mosaic is ...
Active uptake is the mediated transport of biochemicals, and other atomic/molecular substances, ...
Endocytosis is a process where cells absorb material from the environment by fusing it with ...
The Paramecium is a group of Protist, Ciliate. They generally feed upon bacteria and other small ...
Before the synthesis of a protein begins, the corresponding RNA molecule is produced by RNA ...
The ribosome binds to the mRNA at the start codon (AUG) that is recognized only by the initiator ...
DNA encodes for the production of amino acids/ proteins. It begins with transcription (mRNA ...