Enzymes are catalyst. thid means that they are able to speet up chemical reactions

the three kingdoms are

Explanation:

1. monera : all the organisms are unicellular

the maybe autotrophic or heterotrophic

these are prokaryotic cell without distinct nucleus and cell organelles

2. protista : protista single cell organism with well defined nucleus and included with nuclear membrane

they have pseudo podia and hair like cilia and whip like flagyl for locomotion

3. fungi : these are non green eukaryotic heterotrophic organisms

there is cell wall is made up of though and complex sugar called chitin

some of the fungi are thread like and many nuclei are present in the cytoplasm