« previous next »
« previous next »
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Affinity chromatography separates proteins by their binding specificities. Affinity chromatography separates proteins by their binding specificities.
2 Several oxygen-binding curves: for normal hemoglobin 2 Several oxygen-binding curves: for normal hemoglobin
Plasma protein binding and drug availability: (a) The drug exists in a free state or is bound to ... Plasma protein binding and drug availability: (a) The drug exists in a free state or is bound to ...
Model of cI repressor binding to DNA Model of cI repressor binding to DNA
DNA binding faces of l Cro, cI repressor, and CRP, showing the helix–turn–helix motif DNA binding faces of l Cro, cI repressor, and CRP, showing the helix–turn–helix motif
CAP–cAMP complex binding to the CAP binding region CAP–cAMP complex binding to the CAP binding region
Video: Aneurysm

For a complete list of videos, visit our video library