As pertaining to the spread of antibiotic resistance in bacteria, which of the following terms is not directly related to the others?
A. Intercalate
B. Integron
C. Integrase
D. Cassette
Answer: A
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Which one of the following is a key advantage that eukaryotic cells have over prokaryotic cells?
A. Eukaryotic cells have a cell membrane, which allows them to ship materials into and out of the cell. B. Eukaryotic cells have ribosomes, which allow them to make more complex proteins. C. Eukaryotic cells have a flexible cytoskeleton, which allows them to change shape and gives them the ability to engulf other materials. D. Eukaryotic cells have a rigid cytoskeleton, which allows them to withstand greater stress. E. None of the answers options is correct.
Experiments that utilize the deletion of a gene are referred to as ____ experiments
a. ablation b. control c. deletion d. knockout e. tinman
In a food chain with four trophic levels, what would be the energy in the top trophic level if the energy contained in the primary producer level is 40,000 kcal/m2/yr? Assume a trophic level transfer efficiency of 10%.
A. 4,000 kcal/m2/yr B. 400 kcal/m2/yr C. 40 kcal/m2/yr D. 4 kcal/m2/yr E. 0.4 kcal/m2/yr Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about energy flow? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Transpiration harnesses the force of gravity to accelerate water transportation from the soil to the leaves.
True or False?