Which of the following is not true of a bacterium that is R+?
A. R+ refers to the possession of a plasmid.
B. R+ can be transferred to a recipient cell.
C. It is resistant to certain drugs.
D. It is F+.
Answer: D. It is F+.
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Microbiology Chapter 8
- Competent cells are cells that _____.
- Hfr cells arise when _____.
- A gene is best defined as ______.
- tRNA molecules serve as a link between ______.
- Two daughter cells are most likely to inherit which one of the following from the parent cell?
- Which of these is a mutation?
- A bacterium has received new DNA that does not give it a new ability. Which of the following statements is true?
- Which of the following would most likely result in a frameshift mutation?
- What is the function of the Parental DNA in replication?
- Which of these is characteristic of nonionizing radiation with respect to the DNA damage?
- Which type of plasmid is most likely to carry the gene for an enzyme that can metabolize the sugar arabinose?
- Which of these types of mutations is potentially the least damaging?
- DNA replication is _____.
- Cells able to accept naked DNA from the surrounding area are said to be ____.
- Which of the following is not a method of horizontal gene transfer?
- Which of the following pairs is mismatched?
- During which process do most mutations occur?
- An enzyme that covalently bonds nucleotides together is _____.
- When discussing a microbe's ability to resist an antibiotic, you are talking about the organism's ______.
- A sequence of DNA nucleotides which provides genetic information for a functional product is a _____.
- What must occur for bacterial conjugation to take place?
- Nucleoside analogs can cause mutations by _____.
- Which enzyme is responsible for unzipping the double-stranded DNA?
- The drug chloramphenicol binds to the 50S ribosomal subunit of bacteria. From this information you can conclude that chloramphenicol _____.
- An enzyme that copies DNA to make a molecule of RNA is ____.
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