○A)taking carbon dioxide from cells and removing it from the body
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Answer:
Use of a drug selection eliminates those stem cells with nonhomologous recombination products. (mouse)
Viral vectors, microinjection, T-DNA, electroporation, and biolistic transfer. (fruits and veggies)
Used a nucleus from a terminally differentiated cell type. (sheep)
Created using constituitively expressed DNA from genetically unrelated species. (fish)
^^^ ANSWERS ARE IN PARENTHESES ^^^
Answer:
For the first question, choose the option in which the practice would help in the preservation of nature, for example, by reducing pollution and waste, as well as protecting areas of wildlife from getting eradicated. For example, recycling would be a sustainable practice, in which you reuse hard-to-dispose man-made-materials.
For the second question, invasive species are dangerous to an environment, for they destroy the fragile original ecosystem. They generally would destroy one or more levels of the ecosystem, resulting in a total-reduction of the populations in each language, or else an imploding boom of a certain population that would soon strangle itself out from lack of resources.
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The correct answer is option a. a sample size of 300 people.
In this case, there are 200,000 people who are already taking the drug, and the scientist take only 300 people for the experiment. The sample size of 300 is very small as compared to 200,000. Including 300 people only would not give any effective result, or may be all the possible outcomes are not included in the result, so, this can be the limiting factor to the experiment.
