How do the flagella of bacteria differ from the flagella of archaea?
A) Archaeal flagella are thinner than bacterial flagella.
B) Bacterial flagella cannot rotate.
C) Bacterial flagella are used for reproduction.
D) Bacterial flagella occur at only one end of the cell.
E) The flagella of archaea are scattered over the cell surface.
A
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Norton Zinder and Joshua Lederberg discovered transduction in experiments with ____
a. Escherichia coli b. Neurospora c. Aspergillus d. Salmonella typhimurium e. Streptococcus pneumoniae
Explain how mitochondrial DNA studies of Africans and Europeans support the replacement model for the evolution of modern humans.
What will be an ideal response?
Turner syndrome
What will be an ideal response?
Canning preserves food
A) through use of aseptic packaging. B) by exposure to chemicals. C) by exposure to high heat. D) by exposure to radiation. E) by exposure to high pH.