If a chemical inhibitor of DNA ligase was added to bacterial cells after DNA replication initiation, the outcome would be
A) elongation of both strands would not occur without ligase to join new nucleotides together.
B) elongation would occur, but Okazaki fragments would not be joined together.
C) elongation of the lagging strand, but not the leading strand would occur.
D) normal replication would proceed as DNA ligase is not required for this process.
E) too many supercoils would build up in the DNA, resulting in a halting of elongation.
B) elongation would occur, but Okazaki fragments would not be joined together.
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Reabsorption of water in the hindgut of insects is controlled by which of the following?
A) osmotic gradients created by ion pumps B) selective absorptive processes that take place in the Malpighian tubules C) ion concentration of hemolymph D) osmoregulators in the rectal gland
The early symptoms of rabies generally begin
A. 1 day after viral entry. B. 1-2 months after viral entry. C. 6 months after viral entry. D. 1 year after viral entry.
Which of the following is a major cause of health-care-associated infections in the United States?
A. Streptococcus pneumoniae B. Streptococcus pyogenes C. Staphylcoccus aureus D. Alpha hemolytic streptococci
The Public Health Security and Bioterrorism Preparedness and Response Act identifies select agents and identifies a Tier 1 subset of particularly hazardous microorganisms.
Answer the following statement true (T) or false (F)