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1) Unlike most excavates, Giardia trophozoites have no oral groove and are unable to form food vacuoles. Thus, we should expect its nutrition (mostly glucose) to come from A) its mitosomes. B) endosymbiotic cyanobacteria. C) the ventral disk by which it adheres to the intestinal lining. D) osmosis involving aquaporins. E) plasma membrane proteins that a

BIOL | 1308 | Introductory Biology I | assessment | 1) Unlike most excavates  Giar

1. The me required for a cell to undergo binary ﬁssion is called the: A. Exponenal growth phase B. Growth curve C. Generaon me D. Lag period 2. The funcon of hydrogen in microbial metabolism is: A. Maintain pH B. Forming H-bonds C. Oxidaon/reducon reacons D. All of the above 3. Which structure protects the bacteria from being phagocyzed? A. Ribosome

BIOL | 2320 | Microbiology | assessment | 1. The me required for a cell

Usually, enzymes are. steroid s protein s chemical reactions fat s DNA a double membrane chromatin carbohydrates The nuclear envelope is composed of. 2 / 2 pts Question 4 One diﬀerence between eukaryotic and prokaryotic cells is that eukaryotic cells prokaryotic cells. have membrane-enclosed structures called organelles, which are lacking in have a pl

BIOL | 1308 | Introductory Biology I | exam | Usually  enzymes are. steroid 

Question 2 1 / 1 pts Question 3 1 / 1 pts Question 1 1 / 1 pts 157.2 × 10 6 troy oz of silver were used in the United States in 1980. How many gigagrams is this? (1 troy oz = 31.1 g) 5.05 × 10 – 9 Gg 4.89 Gg 4.89 × 10 9 Gg 3.12 Gg 5.05 × 10 – 3 Gg 2.4 km is how many millimeters? 2.4 × 10 –5 mm 2.4 × 10 4 mm 2.4 × 10 5 mm 2.4 × 10 6 mm 2,400 mm 20°C is colder than 40°F. True Question 4 1 / 1 pts Question

CHEM | 1411 | General Chemistry II | exam | Question 2 1 / 1 pts Question 

1) Theoretically, P.bursaria can obtain zoochlorella either vertically (via the asexual reproduction of its mother cell) or horizontally (by ingesting free-living Chlorella from its habitat). Consider a P. bursaria cell containing zoochlorellae, but whose habitat lacks free-living Chlorella . If this cell subsequently undergoes many generation

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