For some bacterial diseases such as tetanus, it is more effective to produce an immune response against the bacterial toxin than against the bacteria.
Answer the following statement true (T) or false (F)
True
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Yops proteins, produced by Yersinia pestis,
A. interfere with phagocytosis. B. activates plasminogen activator. C. destroys C3b and C5a. D. promotes apoptosis.
Cotransductant bacteria can occur if
A) a bacterial cell picks up two fragments of DNA from the environment, each with a different gene. B) double crossover occurs between prophage DNA and the bacterial chromosome. C) two genes are closely linked enough so that they can be packaged into a phage head and injected into a cell by a single phage. D) two genes are introduced into the same bacterium by simultaneous infection with two different phages. E) Both C and D
Calculate the number of copies that would be produced from a single starting molecule after 10 rounds of PCR
What will be an ideal response?
The biologically available carbon that is produced within large, lentic rivers and lakes is called ________.
Fill in the blank(s) with the appropriate word(s).