3.6 Cells Stick Together Flashcards
1
Q
What is a tight junction?
A
When animal cells fuse together to form a barrier.
2
Q
What do tight junctions prevent from entering?
A
Harmful substances
3
Q
What are plasmodesmata?
A
Channels that connect adjacent cells and move materials
4
Q
Where are plasmodesmata plentiful?
A
Plants that conduct water or nutrients in cells.
5
Q
What are the functions of a cell wall?
A
To make a cell’s shape, regulate cell volume, and prevent a cell’s burst from too much water
6
Q
What are cell walls mostly made of?
A
Cellulose
7
Q
Besides cellulose, what else are cell walls made of?
A
hemicellulose, pectin, and many types of proteins.
