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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.
What are the properties og Gels? Polysaccharides, proteins or colloidal complex particles, such as caseinate micelles form gels at levels of 10% or less. Gums, pectin and gela
Q. Illustrate Morphological Evidence? Morphology is the study of structure and form of plants and animals usually dealing with the organism and its component organs. Morphologi
EXCRETIO N IN AMOEBA - NH 3 is excreted out through plasmalemma. Osmoregulation takes place by contractile vacoule, generally one, towards posterior end, contractile in
Define Advantages of Using the Plate Counts Method? 1. It is simple and sensitive method. 2. It provides viable count as only live cells will grow and produce the colony.
a) What is 'vaso-constriction'? b) What are the effects of vaso-constriction in the skin? a) Vaso-constriction is the reduce in diameter of small arterioles an
Pre-operative and Post-operative Nursing Care of a Child with Cleft Lip: We shall begin with pre-operative nursing care and then focus on post-operative care. As you know that
human genome project
What is the difference between an ecological niche and a habitat? An ecological niche is a set of peculiar activities, resources and methods that a species explores to survive
Define Reagents for Estimation of Calcium Using EDTA Titrimetric Method? 1. Buffer solution: Dissolve 16.9 g NH 4 CI in 143 ml NH 4 OH. To this add 50 ml of solution containing
In this section we are to discuss the means by which populations get separated or isolated from each other, first gain the status of'Sub-species and finally evolve mechanisms which
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