Which of the following is a difference between active and passive transport mechanisms?

Which of the following is a difference between active and passive transport mechanisms?
 A) Unlike active transport mechanisms, passive transport mechanisms do not require adenosine triphosphate.
  B) Unlike passive transport mechanisms, active transport mechanisms are used to maintain homeostasis.
  C) Unlike active transport mechanisms, passive transport mechanisms enable transport using a carrier protein.
  D) Unlike passive transport mechanisms, active transport mechanisms facilitate the movement of nutrients into the enterocytes.

Q. 2

Which of the following statements is true of electrolytes?
 A) Excessive sweating can cause a depletion of electrolytes from the body.
  B) Consumption of electrolytes should be avoided by people suffering from celiac disease.
  C) The gastric mucosal barrier protects the stomach lining from electrolytes.
  D) Electrolytes are charged atoms that combine to form molecules when submerged in water.

Q. 3

__________is a soft, moist mass of chewed food.
 A) A villus
  B) Bile
  C) Mucus
  D) A bolus

Q. 4

Which of the following is true of catabolic pathways?
 A) They can be thought of as a series of make it chemical reactions.
  B) They function without the assistance of enzymes.
  C) They can be both aerobic and anaerobic.
  D) They use energy to construct complex molecules from simpler ones.

Q. 5

Which of the following is defined as the basic unit of matter that makes up the world around us?
 A) An element
  B) A molecule
  C) An atom
  D) A cell

Q. 6

Which of the following statements is true of a probiotic food?
 A) It is typically rich in dietary fiber.
  B) It includes fermented foods such as yogurt.
  C) It stimulates the release of gastric juice in the stomach.
  D) It prevents the growth of the microbial population in the large intestine.

Q. 7

Unlike catabolic pathways, anabolic pathways:
 A) consist of complex chemical processes.
  B) require the assistance of certain vitamins and minerals.
  C) break down a complex molecule into simpler ones.
  D) construct proteins that repair damaged tissues in the body.

Q. 8

Which of the following is a function of the gallbladder?
 A) It stores bile and releases it into the small intestine.
  B) It regulates the flow of food from the esophagus to the stomach.
  C) It mixes food with the gastric secretions that aid in chemical digestion.
  D) It neutralizes the acidic chyme before it enters the duodenum.