Transition state structure of the substrate formed during an enzymatic reaction is

1. Transient but stable

2. Permanent but unstable

3. Transient but unstable

4. Permanent and stable

During catalytic cycle of an enzyme action the binding
of the __a__ induces the __b__ to alter its shape. Here
a and b is _________

Which of the following is correct?

1.The ES complex formation is a transient phenomenon

2.The structure of the substrate gets transformed into the structure of product.

3.All the structures formed between substrate and product are called intermediates.

4.All of these

A. Catalyses the transfer of a group (other than hydrogen).
B. Catalyses removal group from substrates by mechanism other than hydrolysis leaving double bond
C. Catalyzing the linking of 2 molecules by using energy into one molecule.
Identify the classes of enzymes for above functions: