Explain the sequence of events that would follow the transfer of an organism from a complex medium to a minimal medium
What will be an ideal response?
Answer: Answers will vary but should include the overall need for an increased number of genes to be turned on, which were not necessary in a complex medium. For example, tRNA synthetases for amino acids would need to be made if the minimal medium did not contain sufficient quantities of each amino acid required during translation of peptides.
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Which of the following species concepts is described by a complex group of populations that are not in direct physical or reproductive contact, but do exchange genetic material through linking populations of the same species?
A. Ring species B. Ecological species C. Evolutionary species
Which tissue type is most likely to become
cancerous?
a. connective b. muscular c. epithelial d. neural e. adipose
Which of the following organisms causes urinary tract infections?
A. Gardnerella vaginalis B. Group BÂ Streptococcus C. Treponema pallidum D. Schistosoma haematobium E. Proteus mirabilis
The sexual life cycle of plants is described as alternation of generations because it alternates between
A) reproductive plants and vegetative plants. B) eggs and sperm. C) flowers and spores. D) male plants and female plants. E) sporophytes and gametophytes.