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

Biology & Microbiology

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Constitutive genes are those that have constant levels of expression

Indicate whether the statement is true or false

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology