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% Document Info
\author{lito.p}
\pdfinfo{
  /Title (nitrogen-cycle-igcse-biology.pdf)
  /Creator (Cheatography)
  /Author (lito.p)
  /Subject (Nitrogen Cycle IGCSE Biology Cheat Sheet)
}

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\noindent
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        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Nitrogen Cycle IGCSE Biology Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{lito.p} via \textcolor{DarkBackground}{\uline{cheatography.com/165032/cs/34732/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}lito.p \\
  \uline{cheatography.com/lito-p} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 17th October, 2022.\\
   Page {\thepage} of \pageref{LastPage}.
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  Measure your website readability!\\
  www.readability-score.com
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% www.emerson.emory.edu/services/latex/latex_169.html
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Biological compounds that contain Nitrogen :}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{proteins} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{vitamins} \tn 
% Row Count 2 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{DNA} \tn 
% Row Count 3 (+ 1)
% Row 3
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% Row 4
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% Row Count 5 (+ 1)
% Row 5
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% Row Count 6 (+ 1)
% Row 6
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\mymulticolumn{1}{x{5.377cm}}{amino acids} \tn 
% Row Count 7 (+ 1)
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{What happens after nitrogen fixation}}  \tn
% Row 0
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\seqsplit{Assimilation} & into plants as proteins \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & into bacteria as proteins \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
 & into animals after feeding on plants \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Nitrification by nitrifying bacteria to make nitrite and nitrate ions} \tn 
% Row Count 7 (+ 2)
% Row 4
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\mymulticolumn{2}{x{5.377cm}}{Nitrates will be assimilated into plants as proteins after being absorbed in the soil by {\bf{active transport}} through root hair cells} \tn 
% Row Count 10 (+ 3)
% Row 5
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\mymulticolumn{2}{x{5.377cm}}{nitrates might be denitrified by denitrifying bacteria} \tn 
% Row Count 12 (+ 2)
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% Row 0
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\mymulticolumn{1}{x{5.377cm}}{Animals , plants and bacteria excrete nitrogenous waste} \tn 
% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{Decomposers digest by extracelluar enzymatic digestion the nitrogenous waste products and dead remains into ammonia} \tn 
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Nitrogen Fixing Bacteria}}  \tn
% Row 0
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Free in soil & in root nodules \tn 
% Row Count 1 (+ 1)
% Row 1
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convert nitrogen gas into ammonia that is used by bacteria to make amino acids and proteins & found in leguminous plants e.g. peas , clovers \tn 
% Row Count 6 (+ 5)
% Row 2
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When bacteria die , their proteins decompose and they release NH3 in the soil & convert N2 to NH3 to be used to make amino acids, proteins and other compounds \tn 
% Row Count 10 (+ 4)
% Row 3
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 & when leguminous plants die , nitrogen containing compounds decompose releasing ammonia back \tn 
% Row Count 15 (+ 5)
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{2. Nitrification}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{nitrifying bacteria in the soil oxidise ammonia from nitrogen fixation to nitrite and then to nitrate ions} \tn 
% Row Count 3 (+ 3)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{Nitrate ions can be absorbed through active transport by plants to make amino acids and then proteins} \tn 
% Row Count 6 (+ 3)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{nitrate ions can be converted back to nitrogen by denitrifying bacteria} \tn 
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% Row 0
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\mymulticolumn{1}{x{5.377cm}}{oxidization of nitrogen that produces nitrogen oxides} \tn 
% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{nitrogen oxides dissolve in rain water and enter the soil} \tn 
% Row Count 4 (+ 2)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{converted into nitrates by nitrifying bacteria} \tn 
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\mymulticolumn{1}{x{5.377cm}}{artificial nitrogen fixation} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{nitrogen +hydrogen -{}-\textgreater{} ammonia} \tn 
% Row Count 2 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{ammonia used to make fertiliser} \tn 
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Denitrification}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{denitrifying bacteria in the soil convert nitrate ions back to nitrogen} \tn 
% Row Count 2 (+ 2)
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Feeding and assimilation}}  \tn
% Row 0
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Feeding & Assimilation \tn 
% Row Count 1 (+ 1)
% Row 1
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animals feed on plants or on other animals that have fed on plants & plants absorb nitrate ions by AT in the soil \tn 
% Row Count 5 (+ 4)
% Row 2
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they digest animal or plant protein & make amino acids \tn 
% Row Count 7 (+ 2)
% Row 3
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assimilate the proteins in their body & make proteins in the plant \tn 
% Row Count 9 (+ 2)
% Row 4
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 & also used to make chlorophyll, DNA \tn 
% Row Count 11 (+ 2)
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}