Showing posts with label biochemistry. Show all posts
Showing posts with label biochemistry. Show all posts

Sunday, April 4, 2010

Biochemistry: Positive Regulation Example 1


Biochemistry: Restriction endonuclease


Friday, March 26, 2010

Biochemistry::Hershey-Chase experiment


In the Hershey-Chase experiment, bacterial viruses, called phage.were used to demonstrate that DNA is the genetic material. The phage used in this experiment consisted of a DNA molecule. surrounded by a protein coat..
for the rest of the story>>>download the video:

Saturday, March 20, 2010

Biochemistry: DNA replication 4


Biochemistry: DNA replication 3


Biochemistry: DNA replication (DNA Replication Fork)



When DNA replicates, the enzyme helicase separates the DNA strands. Single stranded DNA binding proteins keep the strands from re annealing>>>for the rest of the story;download the movie....