Some heterotrophic organisms actually contain vestigial chloroplasts
A. true
B. false
A
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The intracellular parasite Nanoarchaeum equitans has one of the smallest prokaryotic genomes. Why is the genome of N. equitans so small?
How is it possible that the genome of N. equitans contains more genes than that of Mycoplasma genitalium, which is actually 90 kbp larger? What will be an ideal response?
The Lancefield grouping system
A. depends on serological detection of polysaccharide and teichoic acid antigens and is used to identify ?-hemolytic streptococci. B. is used to identify ?-hemolytic streptococci. C. is based on a DNA fingerprinting assay specific for streptococci. D. depends on serological detection of polysaccharide and teichoic acid antigens.
The hard palate is formed by which bones?
a. palatine and vomer b. palatine and ethmoid c. maxillary and vomer d. maxillary and zygomatic e. maxillary and palatine
Opportunistic species typically ________
A) are very long-living B) have a large number of offspring C) reach sexual maturity slowly D) exhibit a Type I survivorship curve