Review Questions
Which of the following are only in plant cells?
- gap junctions
- desmosomes
- plasmodesmata
- tight junctions
Hint:
C
The key components of desmosomes are cadherins and __________.
- actin
- microfilaments
- intermediate filaments
- microtubules
Hint:
C
Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?
- The death molecule is passed through desmosomes.
- The death molecule is passed through plasmodesmata.
- The death molecule disrupts the extracellular matrix.
- The death molecule passes through gap junctions.
Hint:
D