« previous next »
« previous next »
 

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?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

The directionality of a polypeptide compared to an mRNA The directionality of a polypeptide compared to an mRNA
Steroid hormone interacting with an intracellular receptor. Steroid hormone interacting with an intracellular receptor.
Steps in sequencing a polypeptide Steps in sequencing a polypeptide
Cellulose Cellulose
Relationships of DNA to mRNA to polypeptide chain Relationships of DNA to mRNA to polypeptide chain
The conserved DNA-binding domain in steroid receptors The conserved DNA-binding domain in steroid receptors
Video: Metabolic Rate, Heat and Thermoregulation - response to heat and cold stresses

For a complete list of videos, visit our video library