These bacteria are capable of applying the fermentative and oxidative pathways to produce energy from glucose
A. Facultative anaerobes
B. Obligate aerobes
C. Obligate anaerobes
D. Facultative aerobes
Answer: A. Facultative anaerobes
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What occurs when molecules are broken apart in respiration?
a. The heat produced is used to drive biological reactions. b. The oxygen in the compounds that are broken apart is used as an energy source. c. The energy released is used in ATP synthesis. d. ATP is converted into ADP. e. ADP is released as a waste product.
Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same function. Which information would best help distinguish between an explanation based on homology versus one based on convergent evolution?
A. Both species are well adapted to their particular environments. B. The two species live at great distance from each other. C. The sizes of the structures in adult members of both species are similar in size. D. The two species share many proteins in common, and the nucleotide sequences that code for these proteins are almost identical.
Which carbohydrate forms the cell wall during cytokinesis in plant cells?
A) cellulose B) sucrose C) glucose D) lactose
Which of the following statements about natural killer cells is FALSE?
A) They destroy virus-infected cells. B) They destroy tumor cells. C) They destroy cells lacking MHC I. D) They are stimulated by an antigen. E) None of the answers are correct; all of these statements are true.