Provide one example of an agricultural application of biotechnology
What will be an ideal response?
Possible answers are selective breeding, pest resistance, and increased marketability of crops (tomatoes).
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Which statement about mutations is not true? (Choose all that apply)
A. Mutations make evolution possible. B. Mutations result in genetic variation among individuals. C. Mutations accumulate in a genome over time. D. Mutations are usually caused by exposure to radiation. E. Mutations can be harmful, beneficial or neutral. F. Mutations occur as a direct response to an organism's attempt to change one of its traits.
You want to simulate the production of carbon dioxide (CO2) in a laboratory setting using carbon and oxygen atoms. What type of reactions do you need to facilitate in order to create CO2?
A. An oxidation, or the gain of an electron, and a reduction, or the loss of an electron. B. An oxidation, or the loss of an electron, and a reduction, or the loss of an electron. C. An oxidation, or the gain of an electron, and a reduction, or the gain of electron. D. An oxidation, or the loss of an electron, and a reduction, or the gain of an electron.
Which process contributes to prokaryotic genetic variability?
a. binary fission b. horizontal gene transfer c. nitrogen fixation d. mutation
Cells are surrounded by water, with which they are mostly filled. Which of the following occurs as a result?
a. Waste products produced by cell metabolism can be easily removed. b. A variety of nutrient molecules is readily available as dissolved solutes. c. The temperature of living things tends to change relatively slowly. d. All of the listed responses are correct.