Multiple Choice
Which of the following is NOT a function of cholecystokinin (CCK)?
364
views
2. Cell Chemistry & Cell Components
Introduction to Chemical Bonding
Multiple Choice
Which of the following characteristics of epithelial tissue makes it difficult to stain endospores?
A
Dense packing of cells
B
Presence of a protective spore coat
C
High keratin content
D
Presence of a thick glycocalyx
Verified step by step guidance1
Understand the structure of epithelial tissue: Epithelial tissue is composed of tightly packed cells with minimal extracellular matrix, which provides a protective barrier.
Identify the role of endospores: Endospores are a resistant form of bacteria that can survive harsh conditions, including staining processes.
Consider the characteristics of endospores: Endospores have a protective spore coat that is resistant to staining, making them difficult to visualize using standard staining techniques.
Evaluate the options: Dense packing of cells, high keratin content, and presence of a thick glycocalyx are characteristics of epithelial tissue, but they do not directly relate to the difficulty in staining endospores.
Conclude with the correct characteristic: The presence of a protective spore coat in endospores is the key factor that makes them difficult to stain, as it provides resistance to penetration by staining agents.
Related Videos
Related Practice
