Complete the equation for reductive amination ______?______ + NH₄⁺ + NADPH glutamate + H₂O + NADP

Name one non-symbiotic nitrogen fixing prokaryote.

Rice fields produce an important greenhouse gas. Name it.

Excess of Mn in soil leads to defeciency of Ca, Mg and Fe. Explain.

How is sulphur important for plants? Name the aminoacids in which it is present.