Which of the following is a true statement?
mucus protects the stomach lining from digestive secretions.
protease breaks down lipids into fatty acids and glycerol.
lipase breaks down proteins in the small intestine.
pepsin is an antibacterial agent that kills some bacteria.

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.