How has the Bt protein been used to increase insect-resistance in plants?
What will be an ideal response?
The Bt protein is a bacterial protein that has been introduced into certain crops. When insects eat these plants, the Bt protein kills or injures the insect. Purified Bt proteins and bacteria that naturally express the Bt protein have been used as insecticides in organic farming.
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Gene technology has made it possible for bacteria to express human genes. Why is this possible?
Respond to statements 95–99 with reference to the five trophic
categories listed below. a. producer b. herbivore c. primary carnivore d. secondary carnivore e. decomposer M 95. A primary consumer is this. M 96. A Venus flytrap devouring an insect to obtain nitrogen functions as this. M 97. Most mushrooms function as this. M 98. A bear feeding on a salmon is functioning as this. E 99. A bear eating blueberries is functioning as this.
In modern day Finland, the blond hair and blue eyes of most individuals is the result of ____
a. natural selection b. genetic drift c. gene flow d. inheritance e. mutations
Which of these classification categories contains the closest related organisms?
(a). domain (b). genus (c). family (d). phylum (e). kingdom