Chapter 12, Problem 6RQ

Suggest possible motivations of Industry, growers, and consumers for supporting/opposing GMOs.

Nitrogen deficiency stunts plant growth and causes leaves to turn yellow and then die. Why does nitrogen deficiency cause these symptoms? Hint: Think about which biological molecules incorporate nitrogen atoms.

Divide into two groups. One group will argue in support of using superfoods, and one group will argue against the use of superfoods. During the debate, be sure to answer the following questions: What is a superfood, and is it appropriate to classify a given food as a superfood? Are there foods that you can reliably say have the characteristics of a superfood? Describe the research you have consulted to support the classification of a food as a superfood.

The movement of mineral nutrients through organisms and their environment is called a __________cycle. biological bioaccumulation biogeochemical biochemical

For an element to be regarded as essential, all of the following criteria must be met, except: No other element can perform the function The element is directly involved in plant nutrition The element is inorganic The plant cannot complete its lifecycle without the element.