PAST PAPER N5 Flashcards
1
Q
What are plant cell walls made of?
A
Cellulose
2
Q
Describe the process of active transport
A
The proteins move the molecules/ions, requires energy
3
Q
Name the vessels that transport water to leaves
A
Xylem
4
Q
Name base A and C
A
Adenine, cytosine
5
Q
Name the type of molecules proteins are made from
A
Amino acids
6
Q
Describe the feature of pepsin that allows it to bind to only one substrate
A
The active site of pepsin is complementary to the substrate
7
Q
Enzymes can be denatured by changes of pH, give a reason why the rate of reaction will be affected
A
The enzyme changes shape
8
Q
Name the type of respiration that yields the most ATP per glucose molecule
A
Aerobic
