Although Deinococcus-Thermus phyla stain Gram-positive, which reason(s) exclude them from this Gram type?
A. They lack teichoic acids.
B. Their cell envelope includes an S-layer.
C. They have L-ornithine in their peptidoglycan.
D. Their plasma membrane has phosphatidylglycerol phospholipids instead of palmitoleic acids.
Answer: C
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Sequences of DNA assembled by identifying overlaps among smaller DNA segments are known as
A. single strand polymorphisms. B. synteny. C. draft sequences. D. proteome. E. contig.
A population of charmingly charismatic rodents, population A, lives on a small island. The population consists of 100,000 individuals. Are all individuals of A genetically identical?
A. yes B. no
Incidental catch refers to:
a. catch above a given quota. b. illegal fish catch. c. catch of noncommercial fish species. d. catch of endangered species. e. all the fish caught on a particular day.
If 5-bromouracil was added to a culture of actively dividing bacterial cells, resulting mutations could eventually become a stable part of the cellular genome.
Answer the following statement true (T) or false (F)