The phylum Planctomycetes contains a number of species that have compartments including ALL of the following EXCEPT
a. a magnetosome.
b. a pirellulosome.
c. a nucleoid with a nuclear envelope.
d. an anammoxosome.
Answer: A
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Some genes encoding proteins that are
essential to the survival of the organism are called highly conserved sequences. Which of the following is an example of one of these proteins? a. cytochrome b b. muscle structural proteins c. carbohydrate hydrolyzing genes d. skin pigmentation e. keratin
The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the ________.
A. respiratory tract B. urinary tract C. skin D. digestive tract E. eyes
Animal models such as the ____________________ and ____________________ are being studied to identify single
genes that control aspects of learning, memory, and spatial perceptionFill in the blank(s) with the appropriate word(s).
A genomic library consists of fragments of all of the DNA:a
that occurs in one species. b. contained in one chromosome. c. that would be found in a typical cell of a particular organism. d. in a recombinant gene. e. that codes for functional enzymes in a typical cell of a particular organism.