Which of the following is a characteristic shared by DNA and RNA polymerases?
A) efficiency of proofreading
B) type of nucleotides used
C) direction of polymerization
D) speed
E) dependence on helicase
C
Bloom's Taxonomy: Analysis
Section: Gene Function
Learning Outcome: 7.6, 7.11
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For the bay checkerspot butterfly, a poor flyer, to recolonize small patch habitats, the new habitats must be ____
a. high quality b. low quality c. close to a source population d. far from a source population e. above a certain number of individuals
Cri-du-Chat syndrome is caused by a
A) reciprocal translocation between chromosomes 2 and 20. B) paracentric inversion of chromosome 21. C) deletion of part of chromosome 5. D) non-reciprocal translocation between chromosomes 14 and 21.
Maria, a volunteer firefighter in New Jersey, rushed along with the rest of her fire company to lower Manhattan on that awful morning of September 11, 2001. As they crossed over the Hudson into the city, they heard that the towers had collapsed, so they
helped search through the rubble and dust from the buildings to find survivors. Maria has now developed serious health problems based on her exposure to the rubble and dust, which included asbestos and many other small particles. Which organ system and which organelle do you think are most likely failing in this brave woman's body? What will be an ideal response?
The model below predicts that the begging level of full offspring (F) should essentially be zero, whereas hun-gry (H) and starving (S) offspring show intermediate and high levels of begging, respectively
Under what circumstances would we expect full offspring to start begging? a. When the fitness costs of begging are higher. b. When the fitness costs of begging are lower. c. Only when the fitness costs of begging increase in a nonlinear fashion with begging level. d. Under no circumstances; the full (F) individuals are by definition at begging level zero.