________ may have pili
A) Eukaryotes
B) Archaea
C) Bacteria
D) Prokaryotes
E) Both eukaryotes and bacteria
C
Bloom's Taxonomy: Knowledge
Section: External Structure of Eukaryotic Cells
Learning Outcome: 3.7, 3.30
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The gene for human insulin has been successfully cloned in
A. S. aureus. B. E. coli. C. rhinovirus.
Root nodules are ____
a. intertwined roots of different species of plants b. connecting points between branching roots c. symbiotic associations between a fungus and plant roots d. specialized root hairs e. localized swellings in plant roots filled with nitrogen-fixing bacteriac
Sex-influenced traits are expressed ____
a. aftafter the formation of a Barr body b. more in males than in females c. as a result of hormone differences between males and females d. only in males e. only in females
In a population of bears, which is most likely to be considered to have the greatest Darwinian fitness?
A) the biggest bear B) the bear having the largest number of mutations C) the bear that blends in with its environment the best D) the strongest, fiercest bear E) the bear that leaves the most descendants