Which factors may result in a normal microbiota species causing disease?
A) invasion of other tissues by the microbiota species
B) dysbiosis due to antibiotic therapy
C) dysbiosis due to antibiotic therapy or invasion of other tissues by the microbiota species
D) dysbiosis due to antibiotic therapy or immune system attack on the host's own tissue
E) immune system attack on the host's own tissues
Answer: C
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Interactions that keep the conditions in the body's internal environment within tolerable limits are collectively referred to as ________
a. metabolism b. homeostasis c. physiology d. development
A change in the environment’s long-term ability to
sustain the population is indicated by a. A. b. B. c. C. d. D. e. E.
What adaptation is found in the evergreen trees of boreal forests?
A) a thick waxy coat on leaves B) lower levels of chlorophyll in leaves C) the ability to shed leaves when water availability is low in winter D) flower production in early spring
Which of the following statements about reverse transcription is false?
A) Reverse transcription uses special enzymes called reverse transcriptase. B) Reverse transcription is performed by certain viruses and human cells. C) Reverse transcription requires a particular initiation sequence. D) Reverse transcription builds copy DNA (cDNA). E) Reverse transcription uses RNA as a template.