Which of the following is NOT a desirable characteristic of an ideal antimicrobial agent?
A) It is inexpensive.
B) It is stable during storage.
C) It is harmless to humans.
D) It only arrests growth of vegetative cells.
E) It acts quickly.
D
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Abscisic acid (ABA) is synthesized in the roots in response to decreased soil water potential. ABA then translocates to the leaves, where it rapidly alters the osmotic potential of guard cells. What effect would this have on the stomata and the process of transpiration?
A. The stomata would open thereby increasing the rate of transpiration. B. The stomata would open thereby decreasing the rate of transpiration. C. The stomata would close thereby decreasing the rate of transpiration. D. The stomata would close thereby increasing the rate of transpiration. E. The change in the stomata would have no effect on the rate of transpiration. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about the relationship between transpiration and stomata? How does it relate to the question? Consider Possibilities · 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?
If you found an old refrigerator that still works, it would probably have this type of compound as a refrigerant.
A) Skin cancer B) Carbon footprint C) Age structure D) Emigration E) Desertification F) Chlorofluorocarbon G) Ozone H) Carrying capacity I) Density-dependent J) Death rate
A (Coulter counter/cytometer/spectrophotometer) can measure changes in the turbidity of a bacterial culture
What will be an ideal response?
You recently discovered a new photosynthetic bacterial cell. Based on your knowledge of prokaryotes, what else should be present in the cell?
A. mitochondria B. viral DNA C. chloroplasts D. many infolds of the plasma membrane E. additional plasmids