Nitrate reductase enzyme is responsible for the formation of

Complete the equation for reductive amination.

Negative nitrogen balance means

The removal of an amino group from an amino acid to transform it into a keto acid is known as:

Give differences: Reductive Amination and Transamination.

Complete the equation.
$\alpha -$ Ketoglutaric acid $+ NH_4^+ +$ ...$A$.... $\xrightarrow[\text{Dehydrogenase}]{\text{glutamate}} $ ...$B$... $+ H_2O + NADP$
Identify $A$ and $B$.