Which of the following is a eudicot?
a. palm
b. corn
c. oak
d. orchid
e. lily
Answer: c
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One of the reasons study of nitrogen use in plants is of special interest is because:
A. Nitrogen is limited in our atmosphere. B. Nitrogen in its atmospheric form is not useable by plants. C. Nitrogen is often toxic to plants. D. None of the forms of nitrogen are easily absorbed by plants. E. Nitrogen is not an essential element for plant growth.
All biological research is undertaken with the explicit or implicit recognition that ____
a. Charles Darwin's view of evolution put forth in The Origin is without error b. all forms of life are related and have evolved from ancestral forms c. all species share the same common ancestor d. the products of evolution are easily predicted e. the theory of evolution can be ignored unless the research is explicitly examining evolutionary process
In order to stain flagella so that they may be readily observed by light microscopy, it is usually necessary to increase their thickness.
Answer the following statement true (T) or false (F)
All of the following statements describe characteristics of cancer cells EXCEPT which one?
A) Cancer cells may migrate to other locations in the body. B) Cancer cells often have an enlarged nucleus. C) Cancer cells lose the ability to control cell division. D) Cancer cells typically are overdifferentiated. E) Cancer cells no longer perform their specialized functions prior to becoming cancerous.