DATA SHEET
6-3
Date
I was present and performed this exercise (initials)
Urine Culture
OBSERVATIONS AND INTERPRETATIONS
1 Enter your colony count and loop volume data in the table below. Then calculate the original cell density using the following formula
CFU
OCD =
Loop volume
Use the extra rows to calculate cell densities of urine samples of other groups. Label these appropriately.
Loop Volume
Original Cell Density
Urine Sample
Colonies Counted
(0.01 mL or 0.001 mL)
(CFU/mL)
78

Heat is the amount of heat required to change the temperature of 1 gram of a substance by 1°c, and it is related to the chemical composition of the substance.

What advantages does a pedigree have over a written passage?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.