Give term for giving preformed antibodies against snake venom?

People administered with preformed antibodies get

Give the term for change of Spermatid into Sperm.

Give the term for the periodic vaginal bleeding.

Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain

Give the term for pollination by insects.

Give the term for the pile of thylakoids.

Give the term for pollination by wind.

Give the term for the energy required to initiate a biochemical reaction.