Discuss the potential of genetic engineering to contribute to food sustainability
Many farmers worldwide report both financial and conservation benefits from planting genetically engineered crops. Growing herbicide-resistant crops, for example, requires less tilling of the soil to reduce weed growth, decreasing soil loss from wind and water erosion. Pesticide-resistant crops demand less use of both petroleum-based pesticides and the fuel to run the equipment to apply them. Salt-resistant crops can grow in salty areas where conventional crops wither. If approached carefully, genetically engineered plants and animals promise economically feasible, environmentally less destructive options for agricultural lands.
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a. enzyme systems. b. immune systems. c. catabolic systems. d. hormonal systems.
Approximately what percentage of the weight of triglycerides CANNOT be converted to glucose?
a. 70 b. 80 c. 90 d. 95
LDL cholesterol generally carries less cholesterol than does HDL
a. True b. False Indicate whether the statement is true or false
The brain and spinal cord are structures of the ________ system.
A. nervous B. integumentary C. cardiovascular D. endocrine