In order to dislodge food that has accidentally entered the trachea, which procedure is used?
a. the Ortolani maneuver.
b. the Herbert maneuver.
c. the Heimlich maneuver.
d. the Bartholin maneuver.
e. the Feingold maneuver.
C
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A fourth type of restriction enzyme is identified that cleaves at precise locations like a type II enzyme, but it also occasionally makes mistakes and cuts elsewhere. Would this type of enzyme be a useful enzyme to use in molecular cloning?
A. Yes, because it cuts correctly sometimes. B. No, because it is a precise enzyme. C. No, because cutting mistakes could lead to incorrect cloning. D. Yes, because cutting mistakes don't matter in molecular cloning. 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 restriction enzymes? 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?
Which of the following does not contribute to the formation of dead zones?
A. ocean acidification B. fertilizers from agricultural runoff C. eutrophication D. decomposition E. All of the answer options contribute to the formation of dead zones.
If a scientist wanted to determine if a forest environment had been polluted, which of the following groups of organisms typically would be the best indicator for the presence of pollutants?
A. amphibians B. insects C. mammals D. birds E. fish
The wing of a bald eagle is ________ the wing of a penguin
A) convergent with B) homologous to C) unrelated to D) analogous to