All of the following statements about Bacillus anthracis are true EXCEPT
A. Inhalation may produce severe pneumonia in humans
B. Anaerobic
C. The agent is a straight rod with square ends
D. Human infection can be a localized skin infection
E. Immunization of domestic animals has resulted in only rare illness in humans
Ans: B. Anaerobic
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A cell biologist produces a karyotype of mouse somatic cells arrested in mitosis. She sees 40 chromosomes, which is completely normal for mice. Based on this information, what is the haploid number of chromosomes for mice?
A. 10 B. 20 C. 40 D. 80 E. It cannot be determined from the information provided 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 know about diploid cells? 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?
The catabolism of glucose begins with one or more of the glycolytic pathways that yield pyruvate.
Answer the following statement true (T) or false (F)
Which is true about a pH buffer?
A. It increases the amount of H+ in an acidic solution. B. It reduces the amount of H+ in an acidic solution. C. It reduces the amount of H+ in an alkaline solution. D. It increases the amount of OH- ions in an alkaline solution. E. It reduces the amount of OH- in an acidic solution.
The compliance of the lung is determined by the elasticity of the lung and
A) airway resistance. B) transpulmonary pressure. C) volume. D) intra-alveolar pressure. E) surface tension.