The function of the bundle branches is to:

The pyloric sphincter opens into the _____.

Which of the following is not a basic need of a cell?

Which structure is required to prevent entrance of food into the trachea?

In the mouth, protein digestion happens both mechanically and chemically.

The gallbladder releases _____ in the small intestine.

Which tissues release digestive enzymes into the GI tract?

Protein serve multiple complex functions within biological systems. Which of the following is not  an essential function of proteins within an organism? A) Proteins serve as antibodies to fight foreign invaders B) Proteins serve as enzymes to catalyze chemical reactions C) Proteins serve as structural molecules in skin and muscles D) Proteins serve as the major component of the cell membrane of most organisms.

When sodium and chlorine atoms are bonded together, sodium loses an electron to chlorine. What do we call an atom which has lost an electron and now has a net positive charge?

Which of the following long, branched polymers of carbohydrates would typically be found in the  cell walls of fungi, or the exoskeletons of many insects? A) Starch B) Glycogen C) Chitin D) Cellulose