)
AQA
A-Level
BIOLOGY
3.1 | Biological Molecules
1.1 Monomers and Polymers
Time allowed
55 minutes
QUESTION PAPER
Score Percentage
/46 %
4.1 | CELL BIOLOGY | QUESTION PAPER 1 1
,The diagram shows the structure of the cell-surface membrane of a cell.
, (a) Name A and B.
A.....................................................................................................................
B.....................................................................................................................
(2)
(b) (i) C is a protein with a carbohydrate attached to it. This carbohydrate is formed
by joining monosaccharides together. Name the type of reaction that joins
monosaccharides together.
Name the type of reaction that joins monosaccharides together.
...............................................................................................................
(1)
(ii) Some cells lining the bronchi of the lungs secrete large amounts of mucus.
Mucus contains protein.
Name one organelle that you would expect to find in large numbers in a
mucus-secreting cell and describe its role in the production of mucus.
Organelle...............................................................................................
Description of role..................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
(2)
(Total 5 marks)
AQA
A-Level
BIOLOGY
3.1 | Biological Molecules
1.1 Monomers and Polymers
Time allowed
55 minutes
QUESTION PAPER
Score Percentage
/46 %
4.1 | CELL BIOLOGY | QUESTION PAPER 1 1
,The diagram shows the structure of the cell-surface membrane of a cell.
, (a) Name A and B.
A.....................................................................................................................
B.....................................................................................................................
(2)
(b) (i) C is a protein with a carbohydrate attached to it. This carbohydrate is formed
by joining monosaccharides together. Name the type of reaction that joins
monosaccharides together.
Name the type of reaction that joins monosaccharides together.
...............................................................................................................
(1)
(ii) Some cells lining the bronchi of the lungs secrete large amounts of mucus.
Mucus contains protein.
Name one organelle that you would expect to find in large numbers in a
mucus-secreting cell and describe its role in the production of mucus.
Organelle...............................................................................................
Description of role..................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
(2)
(Total 5 marks)