Which of the following foods would be a good source of fiber?
A. whole-wheat bread
B. bran cereal
C. peaches
D. peanuts
E. All of these are good sources of fiber.
Answer: E
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You expose a tube of bacteria to ultraviolet radiation to induce mutations. You then spread the bacteria on a plate containing media with all known required nutrients and wait until separate colonies form. Finally, you use replicate plating to transfer a print of this plate to an additional sterile plate containing minimal media plus a known required nutrient for the bacteria. Based on this protocol, colonies growing on the plate with minimal media would include what type of cells?
A. only wild-type bacteria B. only mutant bacteria C. mutants that only require the supplied nutrient D. Both wild-type and all mutants E. wild-type bacteria and the mutants that only require the supplied nutrient 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 growth media? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
Lisa has a rare genetic defect that causes acute sun-sensitivity. Her mother has the defect, but her father does not. All
of Lisa’s siblings, two brothers and a sister, are also affected. All four siblings are married, but none of their spouses has the mutant gene. Draw a pedigree for this family. Identify and explain the most likely mode of transmission for this disorderWhat will be an ideal response?
In the studies by David Tilman of the University of Minnesota and John Downing of the University of Iowa, reported
in the journal Nature in 1994, they established and monitored 207 plots of Minnesota grasslands for seven years. During the study period, Minnesota's worst drought in 50 years occurred (1987-1988). The ecologists found that those plots with the greatest number of plant species lost ____ ground cover, as measured by dry weight, and recovered faster than species-poor plots. a. less b. more c. no detectable d. only deciduous e. detectable
In which one of the following situations do the molecules have the greatest attraction for one another?
A. An ice cube B. Cold tap water C. Water vapor D. Water condensed on your windshield