The main function of the excretory system is to rid the body of:

excess food

metabolic wastes

non-digestible ingested material

all of these

It is widely accepted that the Earth, as one of the bodies of our solar system, came from a rotating cloud. What was this cloud most likely made of?

Cystic fibrosis is an autosomal recessive condition. The frequency of cystic fibrosis is 0.000484, or about 1 in 2000 people.

Upon his visit to Uganda, Churchill described the landscape as a "beautiful garden of death" because so many individuals were chronically infected with African Sleeping Sickness.

Explain how nitrogen availability affects organism growth.

What is another term for Fermenation? A. Aerobic respiration B. Anaerobic respiration C. Cellular respiration

List 4 piece's of evidence that support the theory plate tectonics

Which is the best example of a force counteracting Fp? using a dolly to push a box to another location two children pulling apart a wishbone a group of dogs pulling a dogsled across ice two people pushing a broken-down car up the road

What layer of atmosphere reflects radio waves

Which functional group allows the sugar glucose to dissolve in blood? a. Carboxyl b. Hydroxyl c. Phosphate

A protein is in its native conformation when a. it is thermodynamically least stable b. it has the highest gibbs free energy c. it is in any of its functional, folded states d. it is unfolded e. none of the above