Draw a schematic representation of the phosphorous cycle.

Draw the phosphorus cycle

Draw a schematic representation of carbon cycle.

Draw a schematic representation of the structure of a transcription unit and show the following in it (i) Direction in which the transcription occurs (ii) Polarity of the two strands involved (iii) Template strand (iv) Terminator gene

(a) Draw a schematic representation of the structure of a transcription unit and show the following in it : (i) Direction in which transcription occurs (ii) Polarity of the two strands involved (iii) Template strand (iv) Terminator gene. (b) Mention the function of promoter gene is transcription.

Draw a schematic representation of transport and exchange of oxygen and carbon dioxide.

Draw the schematic representation of carbon cycle.

Write the schematic representation of a Nitrogen cycle.

Write the schematic representation of the life cycle of HIV.

Write the schematic representation of the life cycle of HIV.