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When using a water and bleach mixture to disinfect a flat surface, can you explain why it is recommended that it is best to let the mixture dry after applied?
Describe how selective and differential media facilitate the bacteriological analysis of water samples?
synthetic nucleic acids are useful as which of the following?
a. as primers for PCR
b. as antisense RNAs
c as DNA probes
d. as DNA probes an antisense RNAs
e. as DNA probes, primers, and antsense RNA;s
which culture uses the most glucose?

a) E. coli growing in glucose broth at 35 c with o2 for five days.
b) E coli growing in glucose broth at 35 c without o2 for five days.
C) botha a and b
d) neither a not b
If a bacterium has a generation time of 30min and you start with 100cells at time 0, how many cells will you have in 30min
what are the meanings of quantitative,semiquantitative and qualitative cultures and their interpretations?
GIVE A METHODOLOGY TO DETERMINE WHICCH COMBINATION CONTAINS STARCH,PROTEIN OR LIPID
MATERIALS:
3 UNKNOWN SOLUTIONS (IN SMALL BEACKERS)
WATER BOTTLES
SODIUM HYDROXIDE
POTASSIUM IODIDE SOLUTION
COPPER(II) SULFATE
ETHANOL
TEST TUBE RACK AND WAX PENCIL
10 TEST TUBES
SYRINGES OR MEASURING CYLINDES
what is the weakest bond?
Which type of enzymes take part in digestion?
A. Hydrolases B. Oxido-reductases C. Synthetases D. Isomerases
why does the milk spoil quickly during summer?
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