The core of the intestinal microvillus is composed of a tight bundle of ________.
Fill in the blank(s) with the appropriate word(s).
microfilaments
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Which of the following bacterial diseases is not transmitted by a tick?
A) Lyme disease B) Rocky Mountain spotted fever C) plague D) tularemia
The loss of genetic information no longer needed for an intracellular existence by an obligate parasite is called genomic ________ .
Fill in the blank(s) with the appropriate word(s).
These cabbage plants would now be considered __________
a. transgenic b. to have undergone gene therapy c. vectors d. to be plasmids
What is NOT a viable explanation for the lack of fossil records for more species?
a. Movement of Earth’s crust have destroyed fossils. b. Many species have not been preserved. c. Population density is too small to produce fossils that survive. d. Certain environments do not produce fossils as well as others. e. Body sizes are too large to become fossilized.