Which of these literature search methods will NOT narrow the search?
A. "AND"
B. "NOT"
C. Using truncation
D. Adding a date range to your search
E. Using more keywords
Answer: C. Using truncation
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The Arctic has been a key research area for the study of predator/prey dynamics in the community because:
A. there are more predator/prey examples in the Artic. B. the Arctic has only one species of predator. C. Arctic communities are generally smaller in size. D. there is a greater number of species in the Arctic. E. predator/prey interactions work differently in the Arctic than in other types of habitats.
The movement of sucrose and H+ into the cell by a common membrane protein reflects transport through a
A. voltage-gated channel. B. mechanosensitive channel. C. uniporter. D. symporter. E. antiporter.
Matching. Choose the one most appropriate answer
for each. 1. ___ aggregate fruit 2. ___ anther 3. ___ carpel 4. ___ embryo sac 5. ___ endosperm mother cell 6. ___ megaspores 7. ___ micropyle 8. ___ microspores 9. ___ multiple fruit 10. ___ ovary 11. ___ ovule 12. ___ petal 13. ___ pollen grain 14. ___ sepal 15. ___ stigma A. male spores of anthers B. site where pollen tube usually penetrates the ovule C. develops into a fruit at maturity D. a 2n cell that will help form nutrients for the developing plant embryo E. cluster of matured ovaries attached to a common receptacle F. modified leaf with pigments and fragrance-producing cells G. immature male gametophyte H. female reproductive organ I. landing platform for pollen J. pollen-bearing structure K. female spores of ovule L. outermost whorl of leaf parts on a receptacle; generally green, but sometimes pigmented M. female gametophyte N. matured ovaries of several flowers fused together into a single mass (for example, pineapple, fig) O. forms a seed at maturity
Which term refers to a contiguous genetic complex that is under coordinated control?
A) operon B) prototroph C) lysogen D) attenuation E) allosteric