Topic 1A - Biological Molecules Flashcards
1
Q
What are polymers?
A
Large, complex molecules composed of long chains of monomers joined together.
2
Q
What are monomers?
A
Smaller, repeating units of a polymer.
3
Q
How does trexall slow cell division? It binds with the enzyme DR which is supposed to bind with folic acid, and this produces nucleotides (3)
A
Trexall is a competitive inhibitor. Less folic acid attaches to enzyme/ fewer enzyme-substrate complexes. Not enough nucleotides available for DNA replication.
4
Q
What is the role of the disulfide bridge in forming the quaternary structure of an antibody?
A
Joins two different polypeptides.
5
Q
What does starch break down into?
A
Maltose, not glucose idk why.
