'Ammonium compounds' presentation slideshows

Fertilisers

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Anatomy of Procaryotic Cells

Anatomy of Procaryotic Cells. Cell Wall. Wall structure based on peptidoglycan polysaccharide composed of 2 sugars N-acetylglucoseamine NAG N-acetylmuramic acid polypeptide short amino acid chains that link the polysaccharides together. Gram + cell wall. Many layers of peptidoglycan

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ULTRASTRUCTURE

ULTRASTRUCTURE. 1 ) Spores Fungi reproduced by means of spores (both sexually or asexually). Moulds, spores germinate to produce branching filaments called hyphae which may have septa (divided into cells / crosswalls) or not (coenocytic / aseptate / non-septate).

343 views • 11 slides

117 views • 11 slides

Why is nitrogen so important?

Why is nitrogen so important?. Nitrogen is essential for growth because it is used by plants and animals to make proteins. Nitrogen makes up about 78% of the atmosphere. However, nitrogen deficiency is the most common cause of poor plant growth.

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Q 6. How to measure BOD?

Q 6. How to measure BOD?. 1. Measure the volume of a sample of water in a dark bottle. Measure its oxygen level by oxygen meter / chemical method. 2. Incubate the water at 20 oC in dark to prevent photosynthesis for 5 days. 3. Measure the oxygen level again.

396 views • 6 slides