Echinoderms are related to Chordates because the first opening in development becomes the mouth
____________________ Indicate whether the statement is true or false.
F, anus
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Interpretation of biochemical tests requires that the microbiologist:
a. correlate the biochemical results with the suspect organism identification. b. correlate the biochemical results with the preliminary direct smear and staining characteristics. c. utilize quality control organisms during interpretation to insure proper functioning of the test protocol. d. all of the above are required.
As seen in this illustration, lines parallel to the equator designate longitude
1.True
2.False
Which of the following organs of the digestive system is different from the other four because it does
NOT produce any secretions that aid in the digestive process? a. stomach b. liver c. esophagus d. pancreas e. salivary gland
The structural genes in the lac operon are transcribed into a single polycistronic mRNA molecule
Indicate whether the statement is true or false