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Planting bacteria gardens
When the bacteria gardens have cooled place them out on the table but do not increase the glass covers unless you are ready to plant them. Toothpicks or small wood splints make superior garden tools for planting bacteria gardens. Place 30 or 40 toothpicks in a covered can and bake them in an oven for an hour. This will execute most of the bacteria. When you remove one from the can use tweezers and only touch single toothpick. Secure bacteria from as many sources as possible. The following will be suggested: (a) a piece of decaying or rotten fruit; (b) a decayed tooth; (c) dirty money; (d) dirt from under finger nails.
To study the conditions essential for the germination of seeds:- In the diagram below a having seeds on cotton wool with air, warmth, but no water; b has water, warmth, but no
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Which of the following is true for the sodium-glucose co-transporter? A. The net flux of sodium ions is from a region of high sodium ion concentration to a region of low sodium
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What are the homologous and the heterologous portions of the human sex chromosomes? The Homologous portion is that in which there are genes having alleles in both X and Y sex c
Explain in brief about the term - Calcium Calcium is absorbed as Ca 2+ ion and is a constituent of cell wall, an activator of different plant enzymes and is essential for t
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