Search results for “chaîne alimentaire”

How does the PCR test work?

PCR stands for “Polymerase Chain Reaction”. It is a method to specifically track down and reproduce genetic material. In principle similar to a copier. In order for the copier to know what to duplicate, it needs a suitable template - a unique DNA sequence of the virus. Such typical locations in the

Muscles | Biology for All | FuseSchool

Click here to see more videos: https://alugha.com/FuseSchool Muscles are a very important type of tissue that allow us to perform many functions - from simpler actions such as blinking our eyes and chewing our food, to more complex ones such as swimming and playing football. Muscles are essential

Escape to Ponderosa - Bonanza S1|25

Adam is bushwhacked by three deserters from the Army who are hiding out on the Ponderosa. When Ben pursues them, he is hindered by a Captain Bolton, the arrogant commander of a military posse who is also after the men. Three army prisoners have escaped Ft Dayton. Mertz still has chains around his w

The origin of life

For life to develop, it needs amino acids, sugars, bases and fats. In addition, RNA, an acid and a kind of chemical Morse code - this is how chains with building blocks are created. But it is only a protective lipid shell that turns the chains into a cell. Author: ZDF/Terrax/R. Schlosshan/F. Hädeck

Biochemical Pathways

The advances in pharmaceutical research over the past 50 years have been unprecedented and have been based on knowledge about biochemical processes in the body.nThese processes are summarized in "Biochemical pathways", the live work of Dr. Gerhard Michal. nOur videos tells the story of this standard