The human liver has a large amount of enzymes known as transaminases. These enzymes play a key role in amino acid metabolism. Amino acids are taken up from the alimentary canal and transported to the liver in a blood vessel.
(a)[2]
Name the part of the alimentary canal in which absorption occurs, and state the blood vessel that carries the amino acids to the liver.
part of alimentary canal [BLANK]
blood vessel [BLANK]
(b)[3]
There are several types of transaminase. Each type has its own specific active site.
Explain why this means that each type catalyses a particular reaction.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “ileum or small intestine” …