Quiz: Cell Junctions

1. Many cells in our body have a certain degree of space between them. Generally, there is water or fibrous products within that space; however, some cells don't have a space between them and are tightly bound to each other. Which of the following cell junctions is designed in such a manner to create a “tube” connecting one cell to the other such as in cardiomyocytes?
a. gap junctions
b. tight junctions
c. desmosomes
2. Which of the following types of junctions have protein that extends from one cell to another, thus “attaching” one cell to the other such as in the cells of the stratum spinosum?
a. gap junctions
b. tight junctions
c. desmosomes

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