Sulfate and sulfite reductions carried out by Desulfovibrio and related microorganisms are assimilatory processes.
Answer the following statement true (T) or false (F)
False
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Transcriptional regulation in prokaryotes is rapidly turned on or off in response to environmental changes and involves both positive and negative regulators
A. true B. false
Which of the following is TRUE of asexual reproduction?
a. It allows an individual’s genes to adjust to the environment. b. It produces greater genetic diversity. c. It is a good strategy if an organism lives in a constant, unchanging environment. d. It slows the accumulation of potentially harmful mutations. e. It allows only half of an individual’s genes to be passed on.
All of the following are functions of the cell membrane EXCEPT:a
transmitting signals. b. participating in energy transfer. c. being freely permeable to all substances. d. regulating the passage of materials. e. participating in chemical reactions.
Characteristics of living organisms are
A. All of the above B. they respond to stimulus C. they grow and develop D. none of the above E. they reproduce