Did you know?
Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Prokaryotic Cell
Flagella Stain-Lophotrichous arrangement
HIV cycle in an infected cell: (a) latent infection; (b) active infection.
An antigen-presenting dendritic cell (blue) interacting with a T cell (yellow)
Genetic therapy for mice with sickle cell disease
Depiction of cell transformations in isotonic, hypertonic, and hypotonic solutions