In Griffith's experiments with Streptococcus pneumoniae, rough nonencapsulated Streptococci were converted into smooth encapsulated Streptococci in the presence of the heat-killed smooth encapsulated Streptococci. What is the term that describes this process?
A. transduction
B. cloning
C. conjugation
D. transformation
Answer: D
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How might a probe for a colony hybridization experiment be obtained?
A. The sequence of the gene does not have to be known. B. Using the known sequence of a similar gene from a closely related species C. The genomic DNA library. D. Using competent cells.
If a bacterium regenerates from an endospore that did not possess any of the plasmids that were contained in its original parent cell, the regenerated bacterium will probably also _____
A) lack antibiotic-resistant genes B) lack a cell wall C) lack a chromosome D) lack water in its cytoplasm
________ digestion is the process by which food particles are exposed to enzymes that break them down into smaller subunits
Fill in the blank(s) with correct word
The flagella of archaea are similar to bacterial flagella but differ in that they
A) lack a basal body. B) move like a whip. C) are anchored in the cytoplasm. D) are hollow. E) are driven by ATP hydrolysis.