Leptin is a molecule that is released after a person eats a meal. Made of about 200 amino acids bonded together, it acts as a signal that
produces feelings of "fullness" in the brain that may influence a person to
stop eating. What type of macromolecule is leptin?

Which nucleotide component contains nitrogen

Anurse is caring for a client who is learning how to take care of a newly created colostomy. when observing a return demonstration of the colostomy irrigation, the nurse evaluates that more teaching is required when the client carries out what procedure?

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow