Which metabolite of alcohol is most toxic?

a. alcohol dehydrogenase
b. ethanol
c. acetaldehyde
d. acetate
e. carbon dioxide


ANSWER: c

Biology & Microbiology

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Your general practitioner considers your unusual set of symptoms, and says, "You seem to have a problem with maintaining homeostasis in your body." Which type of specialist might the doctor refer you to? (Check two.)  

_____  hematologist _____  endocrinologist _____  neurologist _____  osteologist _____  opthamologist _____  obstetrician-gynecologist 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 homeostasis? What other information is related to the question?   Choose Answer Given what you now know, what information 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?  

Biology & Microbiology

Describe the difference between microevolution and macroevolution

What will be an ideal response?

Biology & Microbiology

All insertion sequences (IS elements) contain two features that are essential for their movement. What are these two elements?

A) transposase and oncogenes B) proto-oncogenes and oncogenes C) integrase and pseudogenes D) integrase and oncogenes E) transposase and inverted terminal repeats

Biology & Microbiology

The Keeling curve depicted here has an annual cycle. What is the primary cause of this cycle?

What will be an ideal response?

Biology & Microbiology