In the above DNA fingerprinting gel, which
individual matches the semen (lane 8) collected after
the rape?
a. suspect I
b. suspect II
c. the boyfriend
d. bad reading because it matches the female cells
e. none of these
Answer: a
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You make a knockout of a gene involved in neurological development, and find that the mice have malformed semicircular canals. Instead of being orthogonal (at right angles) to each other, they are parallel. What aberrant behavior might you see in these mice?
A. overeating B. falling over C. not startling to sudden noise D. unable to respond to a call to locate another mouse E. low muscle tone 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 semicircular canals? 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?
Why do organisms with different appearances develop along similar pathways?
a. These organisms live in similar environments. b. Reproduction occurs in similar ways for these organisms. c. Similar genes control the development of these organisms. d. Asexual reproduction produces similar appearances.
When house plants grow toward a window they demonstrate the ability of living organisms to respond to their environment
a. true b. false
Which of the following biomes is dominated by coniferous trees adapted to surviving long, harsh winters and short, wet summers?
A) tiaga B) tundra C) temperate broadleaf forest D) savanna E) chaparral