When a bacteriophage infects a bacterial cell, it injects ________ into the host cytoplasm.
A. RNA
B. DNA
C. lipids
D. carbohydrates
E. protein
Answer: B
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Which of the following processes does not involve bacteriophages?
A) lysogenic conversion B) lytic cycle C) transduction D) transformation
What is/are true of the polymerase chain reaction?
a. PCR allows for the mass production of a specific DNA sequence without cloning. b. PCR permits scientists to target a single copy of a single gene among millions of other sequences. c. PCR allows scientists to study DNA from samples of finite amounts, such as from fossils, or small tissue samples left at a crime scene. d. PCR cannot be used to clone DNA of unknown sequence e. all of these
Strains of Staphylococcus aureus that are resistant to ________ generally cannot be treated with antibiotic therapy.
Fill in the blank(s) with the appropriate word(s).
When blood glucose concentration is high, pancreatic beta cells secrete insulin, and consequently blood glucose
concentration is increased. Indicate whether the statement is true or false.