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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.
Are the xylem and the phloem made of living cells? The cells that constitute the xylem ducts are dead cells killed by lignin deposition. The cells of the phloem are living
In a comparison of brain found in lower classes of vertebrates to the brain in higher classes of vertebrate's area showing most increase in relative size is: a) Optic lobe b
What is the Importance of vitamin B 12 Vitamin B 12 deficiency is manifest by the symptoms of pernicious anaemia (Addison-Biermer's disease). An irreversible atrophy of the
DNA damage caused by ultraviolet light: 1. Cyclobutane-type pyrimidine dimer is the major photoproduct formed 2. A second product, 6-4 photoproduct, is formed in about 10 % of UV i
Q. Of what subunits are ribosomes are made? Ribosomes are made of two subunits the small subunit and the large subunit. These subunits are made of proteins and ribosomic RNA (r
All Solid Semi-Solid Wastes Arising From Human And Animals Activities, Except Human Excreta And Sullage (Liquid Wastes From Bathrooms, Kitchens Etc.) are discarded as useless or un
Overall senescence - Senescence Only the parts above the ground level i.e. The aerial parts die whereas the underground parts survive For example, potato.
classification of animal vorticella
Is the effect of genetic drift likely to be the same in pop 1 and pop 2? How are genetic drift and pop size related? When there is strong selection against the homozygous recessive
Suppose that a portion of double-stranded DNA in the middle of a large gene is being transcribed by an RNA polymerase. As the polymerase moves through the sequence of six bases sho
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