The bacterial ________ maintains the DNA in a specific location and facilitates the process of bacterial cell division

A) nucleoid
B) inclusion
C) pilus
D) cytoskeleton
E) fimbriae


D
Bloom's Taxonomy: Comprehension
Section: Cytoplasm of Bacteria
Learning Outcome: 3.21

Biology & Microbiology

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Indicate whether the statement is true or false

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Which is a hormone that reduces blood volume and pressure by pulling more water out of the blood and increases urine volume?

A) erythropoietin B) atrial natriuretic hormone C) aldosterone D) renin

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An interaction between species in which one benefits and the other is essentially unaffected is ________

Fill in the blank(s) with correct word

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A botanist identifies a new species of plant that has 32 chromosomes. It grows in the same habitat with three similar species: species A (2n = 14), species B (2n = 16), and species C (2n = 18). Which of the following is a possible mechanism by which the new species could have arisen from the others?

a. Either autopolyploidy due to a nondisjunction in the formation of gametes of species B or allopolyploidy associated with hybridization between species A and C b. Allopatric divergence by development of a mechanical reproductive isolating mechanism c. Autopolyploidy due to a nondisjunction in the formation of gametes of species B d. Allopolyploidy associated with hybridization between species A and C e. Change in a key developmental gene that causes the plants to flower at different times

Biology & Microbiology