« 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?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Fatty liver disease and cirrhosis of the liver. Fatty liver disease and cirrhosis of the liver.
Biosynthetic Families of Amino Acids in Bacteria and Plants Biosynthetic Families of Amino Acids in Bacteria and Plants
Nucleic acids: Complementary base pairing Nucleic acids: Complementary base pairing
Amino acids not found in proteins Amino acids not found in proteins
Overview of the fatty acid oxidation pathway Overview of the fatty acid oxidation pathway
I need help soon some questions attached I need help soon some questions attached
Video: Electrical changes in the heart

For a complete list of videos, visit our video library