题目内容

The tobacco plant produces a toxic compound known as nicotine. Select the statement that best describes the function nicotine serves in the plant.

A. There is no function for the plant; scientists genetically engineered the plant to produce nicotine.
B. Nicotine protects the plant from insects that try eating it.
C. Nicotine allows the plant to grow in dry soil conditions.
D. Nicotine increases photosynthesis in tobacco plants.

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The tobacco plant produces a toxic compound known as nicotine. Select the statement that best describes the function nicotine serves in the plant.

A. There is no function for the plant; scientists genetically engineered the plant to produce nicotine. B. Nicotine protects the plant from insects that try eating it. C. Nicotine allows the plant to grow in dry soil conditions. D. Nicotine increases photosynthesis in tobacco plants.

Name the substance used to kill, repel, or control certain forms of plant, fungal or animal life that are considered to be unwanted. ______

Name the new agricultural practice that tries to curb the use of pesticides and the potential detriment to the environment by taking into account the specific needs associated with pest, the crop and the surrounding environment.Answer with three words: ______

Mary has been suffering from unexplained weight loss. Her doctor suspects celiac disease after she tests positive for antibodies characteristic of this condition. The antibodies she tested positive for are specific for what protein? ______

Preservatives are used in food manufacturing to increase the shelf life of products. Given the ingredients, which of the following foods contain food additives that serve as preservatives? (Select all that apply)

A. There is no function for the plant; scientists genetically engineered the plant to produce nicotine.
B. Nicotine protects the plant from insects that try eating it.
C. Nicotine allows the plant to grow in dry soil conditions.
D. Nicotine increases photosynthesis in tobacco plants.