It is beneficial for children in underdeveloped countries to eat genetically modified "golden rice," rather than regular rice, because golden rice:
A) tastes better.
B) prevents diarrhea in children.
C) does not cost as much as regular rice.
D) produces a vitamin A precursor, which helps prevent blindness in children.
Answer: D
You might also like to view...
A mutant of Rhizobium leguminosarum is able to survive and reproduce in the laboratory outside of plant roots, but can no longer initiate root nodule formation. What type of genes are most likely mutated in this mutant?
A) rhz genes B) myc genes C) nif genes D) nod genes
Halophiles
A. require a high salt environment. B. use bacteriorhodopsin to capture solar energy. C. may be chemoheterotrophs or photosynthetic. D. increase the chloride level within their cells. E. All of the choices are correct.
Why did Mendel choose pea plants for his research?
A. Pea plants are self-pollinating but can be cross-fertilized easily. B. Pea plants have a short generation time. C. Many true-breeding varieties were available. D. Peas are easy to cultivate. E. All of these were important characteristics in Mendel's selection.
Which of the following would be inhibited by a drug that specifically blocks the addition of phosphate groups to proteins?
A) G protein-coupled receptor binding B) ligand-gated ion channel signaling C) adenylyl cyclase activity D) receptor tyrosine kinase activity