Because of the similarity in cellular morphology among the Enterobacteriales, biochemical or genetic tests are needed for identification of particular genera and species.
Answer the following statement true (T) or false (F)
True
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Where are the dynein arms located in an axoneme?
A. outer microtubule doublet B. central microtubule pair C. crosslinking proteins D. All of the above are correct.
What type of pathogen is targeted by a cytotoxic T cell?
A. an encapsulated bacteria B. an opsinized pathogen C. a virus-infected host cell D. All of the answer options are correct.
Which statement is TRUE about mitosis in animal cells?
A. The location of the centromere is the same for each chromosome. B. Spindle poles originate next to each other in the cytoplasm. C. The spindle apparatus is composed of actin protein molecules. D. Chromosomes arriving at each spindle mark the beginning of telophase. E. Sister chromatids stay connected through anaphase.
All of the following statements regarding C4 plants are true except:
A) rubisco is no longer necessary to make glucose. B) they resemble CAM plants in that they keep their stomata closed during the day. C) they require more ATP to produce glucose than C3 plants. D) C4 plants grow better than C3 plants under low CO2 conditions. E) C4 plants may expand their ranges with global warming.