Questions

Most organic compounds contain carbon and hydrogen.

Genes are units of heredity.

It is using a router to answer ARP requests. This will be done when the originating host believes that a destination is local, when in fact is lies beyond router.

ATP synthase Phosphorylates ADP to make ATP.

Teens drinking are at risk of date rape, becoming an alcoholic, HIV and other STDs.

Spongy, porous bone tissue is also called cancellous bone.

Cancellous bone is found in bones that aren't generally under significant stress like in the shoulder blades, ribs, parts of the skull, and at the ends of long bones.

A protein that acts as a hormone is INSULIN.

Insulin is a peptide hormone produced by beta cells of the pancreatic islets; it is considered to be the main anabolic hormone of the body.  Insulin helps keeps your blood sugar level from getting too high or too low.  

The Japanese national anthem, "Kimigayo", has the oldest lyrics, which were taken from a Heian period (794–1185) poem.