Multiple Choice
Which of the following is stated in the cell theory?
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5. Cell Components
Cell Junctions
Multiple Choice
Which of the following are types of intercellular junctions found in animal cells?
A
Gap junctions
B
Tight junctions
C
Desmosomes
D
Plasmodesmata
Verified step by step guidance1
Step 1: Understand the concept of intercellular junctions, which are structures that connect adjacent cells and allow communication or adhesion between them.
Step 2: Recognize that animal cells have three main types of intercellular junctions: gap junctions, tight junctions, and desmosomes. These are specialized for different functions.
Step 3: Gap junctions are channels that allow direct communication between the cytoplasm of adjacent cells, enabling the transfer of ions and small molecules.
Step 4: Tight junctions create a seal between adjacent cells, preventing the passage of substances through the space between cells and maintaining the integrity of tissues.
Step 5: Desmosomes act as anchoring junctions, providing mechanical strength by connecting the cytoskeletons of adjacent cells. Note that plasmodesmata are intercellular junctions found in plant cells, not animal cells.
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