In response to stress, the adrenal medulla produces both epinephrine and
a. norepinephrine.
b. corticotropin-releasing hormone.
c. ACTH.
d. ADH.
e. follicle-stimulating hormone.
A
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Both ATP and NADPH are required for
A. the Calvin cycle only. B. the light reaction only. C. electron transport through the thylakoid membrane. D. both the light reaction and Calvin cycle. E. neither the light reaction nor the Calvin cycle.
Major extinctions of dinosaurs are associated with large meteor impacts, including the final extinction that wiped them out at the Cretaceous-Tertiary boundary. The particulate matter that would have arisen as a result of impact would have entered the atmosphere and had secondary impacts. Some scientists believe that a fundamental difference between mammals and dinosaurs allowed mammals to survive this event, but doomed the dinosaurs. What may have characterized the last generation of dinosaurs as they went extinct?
A. Lungs clogged with dust. B. Highly skewed sex ratios. C. Hormonal disruptions due to contaminated water. D. Weak eggshells due to radiation. E. Inability to recognize mates due to diminished sunlight. 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 dinosaurs? 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?
The ID50 for cutaneous anthrax due to Bacillus anthracis is 10-50 endospores, while the ID50 for inhalation anthrax is 10,000 to 20,000 endospores. This means that __________.
A) not enough information is available to answer this question B) neither cutaneous nor inhalation anthrax can easily be acquired. C) cutaneous anthrax is easier to acquire than inhalation anthrax D) inhalation anthrax is easier to acquire than cutaneous anthrax E) cutaneous and inhalation anthrax are equally easy to acquire
What is the most common disease caused by Propionibacterium?
A) acne B) food poisoning C) pneumonitis D) folliculitis E) a sty