Glucose, water etc.... doesn't require ATP !
these molecule does not require energy to pass from the cell. it happens according to concentration gradient or by passive transport !!!
Radiosotopes have been used in all the four fields mentioned in the options. Nevertheless, the use of radioisotopes in light fixtures has been replaced with photoluminiscent materials.
Then the answer is the option D. Light fixtures.
The domain is Archaea. They are single cell and contain a cell wall with no peptidoglycan. They lack a membrane enclosed nucleus and have a DNA that exist in circular form. Some members of Achaea are able to produce methane. Their distinguishing characteristic unlike Bacteria is that they possess genes and several metabolic pathways related to Eukaryotes.
- Make sure taps and such have no leaks.
- Keep a bucket underneath taps and use the water saved in them for gardening.
- Avoid flushing the toilet when unnecessary ("If it's yellow let it mellow, if it's brown flush it down"). And avoid throwing tissues in the toilets, instead throw in a proper bin.
- Never put water down the drain when there may be another use for it such as cleaning or watering a plant or garden.
- Water lawns during the early morning hours when temperatures and wind speed are the lowest. This reduces loss from evaporation.
<span>- In the school yard, use mulch to retain moisture in the soil. Mulching also helps to control weeds that compete with plants for water.
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