« previous next »
« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Examples of energy Examples of energy
Adenosine triphosphate (ATP) provides energy Adenosine triphosphate (ATP) provides energy
Endocrine regulation of food intake and energy homeostasis in mammals Endocrine regulation of food intake and energy homeostasis in mammals
Effect of a catalyst on activation energy Effect of a catalyst on activation energy
Energy Resources range from inexhaustible to nonrenewable Energy Resources range from inexhaustible to nonrenewable
compton effect compton effect
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library