Multiple Choice
In a typical diagram of a eukaryotic cell, which organelle is responsible for producing ATP through cellular respiration and is often labeled 'g'?
5. Cell Components
Introduction to Eukaryotic Organelles
Multiple Choice
Which of the following best describes the primary function of goblet cells in eukaryotic tissues?
A
Generation of electrical impulses in nervous tissue
B
Production of digestive enzymes for nutrient breakdown
C
Transport of oxygen in the bloodstream
D
Secretion of mucus to protect and lubricate epithelial surfaces
Verified step by step guidance1
Understand the role of goblet cells: Goblet cells are specialized epithelial cells found in various tissues, particularly in the respiratory and digestive tracts. Their primary function is to produce and secrete mucus.
Clarify the purpose of mucus: Mucus serves as a protective barrier and lubricant. It traps pathogens, dust, and other particles in the respiratory tract and facilitates the smooth passage of food in the digestive tract.
Eliminate incorrect options: Review the provided choices. Goblet cells do not generate electrical impulses (a function of neurons), produce digestive enzymes (a function of specialized cells like those in the pancreas), or transport oxygen (a function of red blood cells).
Identify the correct function: Goblet cells are responsible for secreting mucus, which aligns with the description of protecting and lubricating epithelial surfaces.
Conclude the reasoning: Based on the explanation, the correct answer is 'Secretion of mucus to protect and lubricate epithelial surfaces,' as this is the primary function of goblet cells in eukaryotic tissues.
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