WEEK 11 - quiz

Question 1

Tight junctions are also known as what?

Answer 1

Occluding

Question 2

Which cell junction connects the cytoskeleton of one cell to the cytoskeleton of another?

Answer 2

Desmosomes

Question 3

Which one of the following junctions connects a cell with the extra cellular matrix?

Answer 3

Focal adhesion

Question 4

Which components of the cytoskeleton are linked by adherens junctions?

Answer 4

Actin filaments

Question 5

Which components of the cytoskeleton are linked by desmosomes?

Answer 5

Intermediate filaments

Question 6

Gap junctions are also known as:

Answer 6

Channel forming junctions

Question 7

Which type of cell junction serves an electrical and biochemical link between two cells?

Answer 7

Gap junctions

Question 8

Which type of cell junction prevents tissue from seperating as they stretch and contract?

Question 9

Which type of cell junction prevents unselective passage of molecules through thr blood-brain barrier?

Answer 9

Tight junction

Question 10

Which type of cell junction allows calcium ions to pass from one cell to another?

Answer 10

Gap junction

(gap junctions are the only ones that allow things through?)

Question 11

In which type of cell junction are connexons found?

Answer 11

Gap junctions

Question 12

How many connexins make up a connexon?

Answer 12

6

Question 13

Can macromolecules pass through a gap junction? Yes/no

Answer 13

No

Question 14

Max size a molecule can be to pass through a gap junction?

Answer 14

1000 (find units)