Genetic diversity in bacteria is created by mutation and ________.
Fill in the blank(s) with the appropriate word(s).
recombination
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Meiosis typically results in the production of
a. 2 diploid cells. b. 4 diploid cells. c. 4 haploid cells. d. 2 haploid cells. e. 1 triploid cell.
The movement of materials already in the phloem can be described using the term(s):
a. source-to-sink only b. pressure flow only c. cohesion only d. both active transport and cohesion e. both source-to-sink and pressure flow
What is the significance of the industrial practice of waiting for cultures to enter the stationary phase of growth before harvest?
A. The cells are at peak metabolic activity. B. Secondary metabolites are often the desired product, and are only produced in stationary phase. C. The desired primary metabolites are produced in stationary phase. D. Potential toxins from log phase growth have been depleted. E. An optimal combination of primary and secondary metabolites is being produced.
Please choose the correct feature of Balantidium coli
A) The infection is not treated and the death rate is high B) A preventative vaccine is given during early childhood C) The protozoan is passed from infected cats to humans D) Causes neurological symptoms E) One of the only pathogenic ciliates to cause human disease