"Golden" rice is so-named because it contains
A. vitamin A and iron.
B. golden bacteria.
C. vitamin C.
D. nitrogen.
Answer: A
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Are oogonia present in adult women? (yes or no) Explain your answer.
What will be an ideal response?
The term evolution is used to describe
A. heritable changes in characteristics of a population from one generation to the next. B. any change in an individual that can be observed. C. changes in the number of individuals in a population due to mating. D. the ability of an individual organism to pass on what it has learned, through experience, to the next generation. E. any change in an individual organism that occurs in somatic cells.
Aside from the traditional hypothesis that life on Earth developed via organic compounds produced in
a reducing atmosphere, which of the following alternative hypotheses is most likely?
a. Life could have arisen from the organic compounds formed around hydrothermal vents far below the ocean floor. b. Life could have developed on another planet and was then delivered by meteorites. c. The organic compounds necessary for life were delivered to Earth by meteorites. d. Life on Earth may have arisen inside land-based volcanoes. e. The organic compounds necessary for life could only have been produced in an oxidizing atmosphere
The first step in the replication of DNA is catalyzed by _____.
Fill in the blank(s) with the appropriate word(s).