Which protists have a flagellum surrounded by a "collar" of threadlike projections, in which movement of the flagellum sets up a current that draws food-laden water through the collar?
a. amoebozoans
b. choanoflagellates
c. rhizarians
d. green algae
e. stramenopiles
b
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A deletion in an operon removes the promoter. How will that affect the transcript that is produced from the operon?
A. The transcript will be produced and normal in length B. The transcript will be produced, but shorter than normal C. The transcript will be produced, but longer than normal D. The transcript will produced, but will contain a deletion E. The transcript will not be produced
The majority of energy resources taken from the sea are in the form of:
a. coal. b. energy from tides. c. gas and oil. d. energy from waves. e. thermal energy.
The best way to determine paternity is with ________
A) an RFLP analysis of the entire genome B) a PCR of the X chromosome C) a histochemistry workup D) Y-chromosome analysis E) blood cell analysis
What is an enhancer?
What will be an ideal response?