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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.
1. DNA damaga can be spontaneous or can be 'Induced by external agents a. What are 'spontaneous' mutations? Give examples of causes of spontaneous mutations and the kinds od DNA
CONSEQUENC E OF OVER POPULATION - With increase in population the available natural resources will fall short of requirements. A severe competition will ensure creating soc
NON-MUSCULA R MOVEMENT - 1 . Streaming movement - In amoeba, cyclosis is common. 2 . Pseudopodial - In leucocyte, macrophages, amoeboid movement take place
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Heteroduplex Dna is generated by the base pairing between complementary single strands derived from the different parental duplex molecules; heteroduplex DNA molecules occuring du
What are the major features of fishes associated to the habitat where they live? Fishes are all aquatic animals and therefore they have a hydrodynamic elongated body appropriat
Define Carbohydrate requirement to avoid underweight problem? Liberal amounts of easy to digest carbohydrates should be included in the diet. The intake of dietary fibre should
You are setting up a PCR reaction. a) The total volume of your reaction is 50 uL. Your stock primer solutions are 25 mM each. You want a final concentration of primer of 1 mM in yo
Define Direct measurement of individual's Work Capacity? Direct measurement of VO 2 max is determined by having the subject perform exercise at increased loads, for 12 to 15 m
Q. What is the life cycle type of bryophytes? As in all plants the life cycle of bryophytes is diplobiontic (alternation of generations) and in bryophytes the lasting form is t
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