The change in the chromosome depicted between the top and the bottom in the figure above represents
a(n) ____.
a. inversion
b. duplication
c. reciprocal translocation
d. deletion
e. Philadelphia chromosome
A
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You are studying a disease caused by insufficient levels of a specific peptide hormone, and characterize mutations in several genes that can lead to the disease. Your startup company can only afford to pursue one gene product as a possible therapy. Which would you choose?
A. Gene A -- a transcription factor. B. Gene B -- an enzyme that activates the hormone by cleaving its inactive precursor. C. Gene C -- the hormone itself. D. Gene D -- a kinase that acts downstream of the hormone. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about hormones? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In which part of the surface of the tongue are
the sweet taste buds?
a. the back of the tongue b. near the tip of the tongue c. on the right side of the tongue d. on the left side of the tongue e. on all parts of the tongue
In which of the following cellular organelles
does photosynthesis take place?
a. rough endoplasmic reticula b. Golgi bodies c. mitochondria d. chloroplasts e. more than one of these organelles is responsible for photosynthesis
In a human population with a high proportion of prereproductive individuals, the population will:a
continue to increase even if the fertility rate is at replacement levels. b. decline even if the fertility rate is at replacement levels. c. increase only if the fertility rate is above replacement levels. d. decline only if the replacement level fertility rate changes. e. reach ZPG sooner than with a low proportion of prereproductive individuals.