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Nutrient Cycles

Table 9-14-1: Use of nutrients in plants and animals



PLANTS

ANIMALS

 

CARBON

Organic substances / lipids /
proteins / ATP / chlorophyll

Organic substances / lipids /
proteins / ATP / chlorophyll

NITROGEN

- Amino acid / nucleotide synthesise
- In RNA, DNA, proteins, ATP

- Amino acid / nucleotide synthesise
- In RNA, DNA, proteins, ATP

IRON

- In cytochromes / ETC
- Needed for enzymes such as
catalase to work
- Synthesis of chlorophyll

- In cytochromes / ETC
- Needed for enzymes such as
catalase to work
- Part of Hb

IODINE

 

Contained in thyroxine (hormone)

MOLYBDENUM

Nitrate reductase / reduces nitrates during synthesis of amino acids

 

Carbon Cycle

Respiration, Photosynthesis and CO2

Nitrogen Cycle

1) Assimilation (→Building up organic molecules)

2) Ammonification*

3) Nitrification*

4) Denitrification

5) Nitrogen Fixation*