Chromosomal rearrangements due to insertion sequences have apparently contributed to the evolution of several human pathogens
Indicate whether the statement is true or false.
Answer: TRUE
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Constitutive genes are those that have constant levels of expression
Indicate whether the statement is true or false
Mycobacterium tuberculosis
A. lives in the soil. B. can survive for 8 months in fine aerosol particles. C. has a capsule. D. integrates its genome into host cell DNA. E. produces several virulence factor enzymes and an exotoxin.
You have found a new prokaryote. What line of evidence would support your hypothesis that the organism is a cyanobacterium?
A) It is able to form colonies and produce oxygen. B) It is an endosymbiont. C) It forms chains called mycelia. D) It lacks cell walls.
Which of the following floral reproductive organs consists of an anther and, in most species, a filament?
A. Carpel B. Stamen C. Corolla D. Stigma E. Calyx